Pop. 715,522 · Denver County
Denver may allow backyard chickens with limits. Roosters typically banned in residential areas. Livestock requires agricultural zoning or minimum lot size.
DRMC chapter 8 requires every cat over six months in Denver to be licensed annually with Denver Animal Protection and current on rabies vaccination under Colorado state law. Cats must not run at large or be a nuisance under DRMC 8-44.
Denver has no mandatory spay-neuter ordinance for owned dogs and cats. Sterilization is voluntary, but Denver Animal Protection offers low-cost clinics and discounted licenses for altered pets under DRMC chapter 8 fee schedule.
Denver does not require all owned pets to be microchipped, but the Denver Animal Shelter microchips every dog and cat at adoption. DRMC chapter 8 license is tied to the chip, helping reunite lost pets across Denver and Colorado.
Denver Parks & Recreation and Colorado Parks & Wildlife share urban coyote response. Denver promotes hazing under its Urban Wildlife Plan; lethal removal is reserved for aggressive animals. Feeding wildlife is prohibited under DRMC chapter 8.
Denver follows Colorado HB20-1084, prohibiting retail pet stores from selling commercially bred dogs and cats. Pet stores may only offer rescue and shelter animals for adoption. DRMC chapter 8 requires pet store licensing through Denver Animal Protection.
DRMC chapter 8 limits Denver households to three dogs and three cats per dwelling unit unless a pet animal facility license is obtained. Litters under four months count toward the limit at separate threshold; exemptions exist for licensed kennels.
Denver does not have a standalone hoarding ordinance, but DRMC chapter 8 pet limits combined with Colorado C.R.S. 18-9-202 cruelty to animals reach hoarding cases. Denver Animal Protection investigates with police support and may seize animals.
Denver DRMC §8-16 requires dogs to be on a leash in all public areas. Off-leash is only permitted in designated off-leash enclosures (dog parks). Leash length is not specified.
Denver's 30-year pit bull ban was lifted in 2021. Pit bulls now require a Breed-Restricted Permit ($30/year) plus assessment. Permit requires spay/neuter, microchip, and rabies vaccination.
Denver DRMC Chapter 8 prohibits numerous exotic animals including big cats, wolves, foxes, raccoons, primates, venomous reptiles, and large constrictors. Violations carry significant fines.
Denver allows beekeeping in certain residential zone districts. Maximum 2 hives per lot under 6,000 sq ft. Hives must be registered with Denver Animal Protection. Outdoor storage of bee equipment is prohibited.
Denver prohibits intentional feeding of deer, elk, bears, coyotes, foxes, raccoons, skunks, and prairie dogs under DRMC §8-91. Bird feeders allowed but must be bear-resistant from Apr 15-Nov 15 in foothill zones.
Denver short-term rentals under DRMC 33-202 must be the licensed host's primary residence. Hosts may rent rooms or the entire home only when away. One STR license per person; non-primary investor properties cannot operate as STRs in Denver.
Denver does not cap nightly STR guest counts under DRMC Chapter 33, but rentals must be the host's primary residence and may only be rented to a single party at a time.
Denver STR licensees must carry at least $1,000,000 in liability insurance covering the rental property; insurance provided solely by online platforms such as AirCover does not satisfy this requirement.
Denver STRs are subject to 10.75% Lodger's Tax plus standard sales tax on stays under 30 days. Hosts must register for a Lodger's Tax account before operating.
Denver requires STR license ($150/year) limited to primary residences only. Host must live on-site 183+ days/year. No investor-owned STRs. License number required on all listings. $1M liability insurance required.
Denver STR operators must comply with DRMC Chapter 36 noise limits. Quiet hours 11 PM–7 AM apply to guests. Violations can jeopardize the STR license.
Denver STR guests must comply with all standard parking ordinances. Many residential areas have Residential Parking Permit (RPP) zones that restrict non-resident parking.
Denver Fire Code DRMC §10 adopts the International Fire Code Chapter 61 for liquefied petroleum gas. Residential cylinders are capped at 25 gallons aggregate water capacity outside, and indoor storage is sharply limited with permits required above small thresholds.
Denver bans ALL fireworks, including consumer-grade sparklers and fountains. DRMC §39-4 imposes fines up to $999 per violation. The ban applies year-round.
Denver bans open wood burning year-round without a permit. Propane and natural gas fire features are allowed. The metro area also bans all wood burning Nov 1–Mar 31.
Wood-burning fire pits illegal in Denver. Only gas-fueled (propane/natural gas) fire features permitted. Cooking devices (gas/charcoal grills) exempt from permit requirement but charcoal banned on balconies.
Denver is mostly urban and not in mapped Wildland-Urban Interface (WUI) zones, but western foothill-adjacent neighborhoods and open space buffers follow Denver Fire Department defensible space guidance aligned with Colorado's WUI code.
Denver is largely urban so WUI brush-clearance rules apply mainly to properties near open space, South Platte River corridors, and mountain parks. DRMC Chapter 24 (Weeds) and the Denver Fire Code (DRMC Chapter 9) require removal of combustible vegetation and dry grass exceeding 10 inches tall.
Denver treats carports as detached accessory structures under Denver Zoning Code Article 11 and the Denver Building Code: they generally require a building permit, must sit in the rear 35% of the zone lot, and follow zone-specific height, setback, and lot-coverage limits.
Denver permits tiny homes as permanent dwellings only when built on a permanent foundation and meeting Denver Residential Code Appendix AQ (Tiny Houses), which defines a tiny house as 400 sq ft or less excluding lofts. Tiny homes on wheels are not allowed as principal dwellings in residential zones, but Temporary Managed Communities (the rebranded tiny home village rules under Denver Zoning Code Article 11) allow grouped tiny structures for transitional housing on approved sites.
Denver's Affordable Housing Impact Fee (DRMC Sec. 27-150) and Transportation Impact Fee (DRMC Sec. 56-2) are waived for ADUs under 1,000 sq ft in many districts under Council Bill 23-0739 and Mayor's Executive Order to support ADU production. Standard SDDP plan-review fees, building-permit fees, and Denver Wastewater and Water Department connection charges still apply.
Denver does NOT require owner occupancy for ADUs. The 2024 citywide ADU rezone (Council Bill 23-0739) eliminated all owner-occupancy requirements that had been part of earlier Denver Zoning Code provisions. DZC Article 11 use limitations explicitly allow non-owner-occupied ADUs in every residential zone.
Denver permits long-term ADU rental without minimum lease terms but restricts short-term rentals (under 30 days) to the operator's primary residence under DRMC Chapter 33, Article XI. An owner-occupied ADU may be the STR unit, but a non-primary-residence ADU cannot legally be rented for stays under 30 days. STR operators need a Business License and a Short-Term Rental License.
Denver permits Accessory Dwelling Units citywide following the 2024 ADU rezoning under Denver Zoning Code (DZC) Articles 4 and 11. ADUs are allowed by-right in all single-unit zones with administrative review by Community Planning and Development (CPD). Applications go through ePlan; CPD targets a 6-8 week turnaround for compliant submittals.
Denver allows garage-to-ADU conversions in most residential zones since the 2023 zoning update. Building permits required. Converted garages must meet ADU standards including fire safety and egress.
All Denver sheds require a zoning permit. Sheds over 8 feet tall or over 200 sq ft also require a building permit. Each property is limited to one shed plus one accessory structure.
Denver allows ADUs by right in all residential zones since 2023 zoning updates. No owner-occupancy required as of state HB 24-1152 (effective June 2025). ADUs capped at 1.5 stories / 24 ft height.
Denver requires driveways to meet setback and width standards. Blocking the public sidewalk is prohibited. Curb cuts require a permit from DOTI.
RVs and large vehicles face expanded parking restrictions under Denver's 2023 ordinance update. 2-hour or 24-hour limits in residential areas; must move 700 feet. Living in vehicles on public streets prohibited.
Denver enforces a citywide 72-hour street parking limit. Residential Parking Permit (RPP) zones restrict non-resident parking in many neighborhoods. Vehicles must park within 18 inches of the curb.
Denver limits large commercial vehicle parking on residential streets to 2 hours. A 2023 ordinance expanded restrictions citywide. Trucks used for active work are excepted.
Denver does not officially sanction the 'dibs' or space-saving practice of placing objects in public parking spaces after shoveling snow. Placing unauthorized items in the public right-of-way to reserve parking is prohibited under city ordinance. Denver's snow ordinance focuses on sidewalk clearance and snow routes rather than individual parking space management.
Denver's Green Code (2022 IECC with amendments) requires EV-ready wiring in new residential construction. HOAs cannot ban EV chargers under C.R.S. §38-33.3-106.8. Electrical permit required for Level 2 installs.
Denver defines abandoned vehicles as inoperable, unregistered, or parked over 72 hours per DRMC §54-127 and §54-811. Report to 311. On private property, must be enclosed or behind opaque screening.
Denver has no citywide overnight parking ban on residential streets. 72-hour rule (DRMC §54-127) applies — no vehicle may remain in same spot more than 72 hours. Some neighborhoods have permit parking.
Denver limits customer visits to home businesses. Traffic, deliveries, and client arrivals must remain minimal and not exceed what is normal for a residential area.
Denver prohibits exterior signage for home-based businesses in residential zones. No signs advertising the business may be visible from the street to maintain neighborhood character.
Denver allows home-based businesses in residential zones with a Home Occupation Permit. Business must be conducted entirely within the home and must not alter the residential character of the property.
Colorado Cottage Foods Act (C.R.S. §25-4-1614) allows direct-to-consumer sales of non-hazardous homemade foods. Denver requires no additional permit. Annual cap $10,000 per product type. Required food safety training.
Home daycare allowed in all Denver residential zones as a home occupation per Denver Zoning Code §11.8.7. State license required from Colorado Dept of Early Childhood. Small: up to 6 children; large: up to 12.
Denver DRMC Chapter 36 sets quiet hours 11 PM–7 AM in residential zones. Residential limit is 55 dBA daytime, 50 dBA nighttime. Violations can reach $5,000/day.
Denver restricts construction noise to 7 AM–9 PM Monday–Saturday and 8 AM–5 PM Sunday under DRMC Chapter 36. No construction noise is permitted outside these hours.
Denver DRMC Chapter 8 prohibits dogs from barking, howling, or making noise continuously for 10+ minutes or intermittently for 30+ minutes. Enforced by Denver Animal Protection.
Denver regulates amplified sound under DRMC Chapter 36 with specific decibel limits and requires a Sound Amplification Permit from the Department of Excise and Licenses for outdoor events, concerts, and festivals. Residential amplified music must stay below 55 dB(A) at the property line during the day.
Denver has no outright ban on leaf blowers but phases in restrictions on gas-powered commercial landscape equipment. DRMC Chapter 36 noise limits apply, and the city launched an Electric Lawn Equipment Pilot in 2022 reflecting Denver's ozone non-attainment status along the Front Range.
Aircraft noise in Colorado is governed almost entirely by federal aviation law, and state and local governments cannot directly regulate flight operations, though airport proprietors have limited authority.
Colorado fixes industrial noise ceilings at 80 decibels daytime and 75 decibels nighttime statewide under the Noise Abatement Act, with stricter local rules permitted but state minimums universal.
Denver limits front yard fences to 4 feet and rear/side yard fences to 6 feet in residential zones. Taller fences require over-height permits and must be less than 50% solid.
Denver requires a zoning permit for fences between 4–6 feet. Over-height (6+ ft) fences require an additional over-height fence permit. Historic properties require Landmark Preservation review.
Colorado's Good Neighbor Fence Act (C.R.S. §35-46-112) applies. Denver does not mandate cost-sharing, but neighbors may negotiate. Disputes over boundary fences go through Denver County Court.
Denver regulates fence materials through the Denver Zoning Code. Residential areas allow wood, vinyl, composite, ornamental metal, and masonry. Chain-link is restricted in front yards of single-unit zones. Barbed wire is prohibited in residential districts.
Denver requires a building permit for retaining walls over 4 feet (measured from bottom of footing to top of wall) per DBC 105.2. Engineered drawings required. Lower walls with surcharge also need permits.
Denver requires 5-foot (60-inch) barriers around all residential pools per 2021 International Swimming Pool and Spa Code. Self-closing, self-latching gates with latch 54+ inches above grade. 4-inch opening max.
Denver DRMC Chapter 57 requires property owners to maintain vegetation. Grass and weeds must not become a nuisance. Code enforcement responds to complaints of overgrown grass and weeds.
Denver Water enforces mandatory outdoor watering restrictions May 1–Oct 1 yearly. Residential customers may water 2 days/week before 10 AM or after 6 PM. Stage 1 drought declared in 2025.
Denver property owners must maintain street trees in the right-of-way per DRMC §57-18. Branches over sidewalks must be trimmed to 8 feet clearance; over streets, 13.5 feet clearance.
Street trees in Denver's right-of-way require a City Forester permit to remove. Private trees generally don't require a permit unless under construction. Removing protected trees without a permit incurs fines equal to tree value.
Denver enforces weed abatement under DRMC §24-101, requiring property owners to keep grass and weeds below 10 inches. The Colorado Noxious Weed Act (CRS §35-5.5-101) adds state-level obligations on noxious species. DDPHE handles complaints and abatement.
Denver allows artificial turf on residential property. No permit required for residential replacement. Commercial and multifamily face restrictions under 2024 Non-Functional Turf Ordinance. HOAs cannot ban per state solar/turf laws.
Denver Water coined 'xeriscape' in 1981 and actively promotes native/drought-tolerant landscaping. C.R.S. §37-60-126 and HB 19-1050 prohibit HOAs from banning xeriscape. Rebates via Denver Water's Garden In A Box and Turf Replacement programs.
Denver rainwater collection is strictly limited by Colorado water law. HB 16-1005 allows only two rain barrels totaling 110 gallons per single-family or up to 4-unit residence, for outdoor irrigation on-site only. Anything beyond this requires a water right decree. Denver Water warns against larger systems.
Above-ground pools in Denver still require a building permit and must meet all barrier and safety requirements. Mesh fencing for above-ground pools has specific installation rules.
Denver requires pool barriers at least 60 inches (5 feet) high with self-latching, self-closing gates. Fencing must completely surround the pool. Complies with 2021 Denver Building Code (Appendix T).
Denver requires building permits for all new pools and spas. Inspections cover pool structure, electrical, bonding, gas, plumbing, and fence. Final inspection required before filling.
Denver requires a building permit from Community Planning and Development (CPD) for all in-ground and above-ground pools over 24 inches deep, plus separate electrical and plumbing permits. Inspections verify setbacks, barrier compliance under the 2021 IRC, and GFCI wiring.
Denver requires electrical permit for hot tub/spa installation (240V 50-amp typical). Locking safety cover (ASTM F1346) can substitute for barrier per 2021 ISPSC §305.5. Setbacks per zone district.
Colorado generally permits open carry of firearms, but Denver bars open and concealed carry in many designated places under DRMC 38-117.5. Posted city buildings, parks, and stadiums prohibit firearms; violators face municipal charges plus state penalties.
Colorado has limited firearm preemption, letting Denver enforce DRMC chapter 38 rules. The Denver assault weapon ban under DRMC 38-130 was upheld in court. Colorado SB23-169 raised the purchase age to 21 statewide for most firearms.
Concealed handgun permits in Denver are issued by the Denver Sheriff Department under C.R.S. 18-12-201. Applicants need training, background checks, and the new HB23-1219 three-day waiting period applies to any firearm purchase.
Colorado C.R.S. 18-12-105 lets non-permit holders carry a handgun in a private vehicle for lawful protection of person or property. Long guns must be unloaded under hunting rules. Denver bans firearms inside city-owned vehicles and parking structures.
Denver Revised Municipal Code chapter 24 requires every retailer selling tobacco or vapor products to obtain a Tobacco Product Retailer license from Denver Department of Public Health & Environment. State licensure under C.R.S. 44-7-103 also applies for cigarette and tobacco sales.
Denver City Council passed a flavored tobacco ban under DRMC 24-401, effective March 2024, prohibiting sale of flavored tobacco and nicotine products including menthol, mint, fruit, and candy flavors citywide. Colorado has no statewide flavor restriction, so Denver's rule controls.
Federal Tobacco 21 amendment and Colorado C.R.S. 44-7-103 bar sale of any tobacco or nicotine product to anyone under age 21. Denver retailers must verify ID for buyers appearing under 30 and face TPR license consequences for violations.
Colorado HB21-1162 banned single-use plastic carryout bags statewide effective January 2024. Stores must charge ten cents per recycled paper bag. Denver follows the state rule; small businesses with three or fewer locations are exempt.
Colorado HB21-1162 also bans expanded polystyrene foam food containers at retail food establishments effective January 2024. Denver restaurants, food trucks, and grocery delis cannot use foam clamshells, cups, or trays for prepared food.
Colorado HB21-1162 limits single-use plastic straws to customer request only at retail food establishments. Denver follows the state rule; servers may not automatically provide a plastic straw, and self-service straw stations are barred.
Colorado C.R.S. §38-12-103 caps security-deposit return time at one month (or up to 60 days if the lease specifies) and requires an itemized statement of any deductions. Willful retention triggers treble damages plus attorney fees.
Colorado HB21-1117 lets local governments require relocation assistance for tenants displaced by no-fault reasons. Denver has no city-specific relocation ordinance, so only state mobile-home park and demolition rules apply directly to renters.
Colorado HB23-1098 (Cause to Evict) bars most no-fault, non-renewal terminations of residential leases. Denver landlords must cite an enumerated lawful reason, such as owner move-in, substantial rehab, or sale, and meet statutory notice and relocation rules.
Denver has no dedicated tenant-anti-harassment ordinance, but Colorado's warranty of habitability (C.R.S. §38-12-503) and retaliation ban (§38-12-509) protect tenants from utility shutoffs, lockouts, and intimidation aimed at forcing them to leave their unit.
Denver's Anti-Discrimination Ordinance (DRMC §28) and Colorado HB20-1332 prohibit landlords from refusing tenants because they pay rent with Section 8 vouchers, Social Security, child support, or other lawful income sources.
Denver Housing Authority (DHA) administers Section 8 Housing Choice Vouchers under HUD rules. Denver landlords cannot refuse vouchers under DRMC §28 and Colorado HB20-1332's source-of-income protections.
Denver does not have rent control or rent stabilization ordinances. Colorado state law (C.R.S. §38-12-301) preempts local rent control, prohibiting municipalities from enacting ordinances that control rents on private residential property. Landlords may set and raise rents without government-imposed limits.
Denver does not have a just-cause eviction ordinance. Colorado landlords may terminate month-to-month tenancies without stating a reason by providing proper notice under the Colorado Residential Tenancy Act. However, retaliatory and discriminatory evictions are prohibited under state and federal law.
Denver requires all rental properties to be licensed under the Denver Rental Licensing Ordinance (DRMC Chapter 27, Article XIII). All residential rental properties must obtain a rental license from Denver Community Planning and Development. The program was phased in starting in 2023 and applies to all rental dwelling units citywide.
Denver's Local Minimum Wage Ordinance (DRMC §58) sets a citywide wage of $18.81/hour in 2025, indexed to CPI. It covers any employee performing at least four hours of work per week within Denver city limits.
Denver employees are covered by Colorado's Healthy Families and Workplaces Act (HFWA), earning one hour of paid sick leave per 30 hours worked, up to 48 hours per year, plus the FAMLI paid family-leave program.
Neither Denver nor Colorado has enacted a predictive-scheduling or fair-workweek law. Denver employers can change shifts on short notice, though they must still pay reporting time and follow general wage and recordkeeping rules.
Denver's Public Safety Enforcement Priorities Act (DRMC §28-228) bars city employees, including police and sheriff staff, from using city resources to enforce federal civil immigration law or honor ICE detainers without a judicial warrant.
Colorado does not require private employers to use E-Verify and repealed the prior employment eligibility affirmation form in 2016 under HB 16-1114.
Denver Department of Public Health & Environment Vector Control Program enforces DRMC chapter 24 rodent provisions. Property owners must keep premises rat-free; harborage and food waste are violations. Inspectors respond to 311 complaints citywide.
Denver Department of Public Health & Environment inspects every retail food establishment under DRMC chapter 24 and Colorado Retail Food Establishment Rules. Inspections use numerical violation scoring; results post online but Denver has no letter grade card requirement.
Colorado C.R.S. 25-4-1604 and the Retail Food Establishment Rules require every Denver food establishment to have a Certified Food Protection Manager on staff. Denver DDPHE accepts ANSI-CFP accredited courses and verifies certification at routine inspections.
Colorado C.R.S. 25-1.5-303 authorizes municipal syringe access programs. Denver Public Health operates the SHARP needle exchange providing safe syringe disposal kiosks and harm reduction services. Discarded needles are collected by DDPHE Vector Control teams.
Since 2021 Denver has reserved new cannabis store, delivery, hospitality, and transporter licenses exclusively for Social Equity Applicants under DRMC chapter 6. Eligibility tracks Colorado HB21-1090 criteria: low income, prior cannabis arrest, or impacted neighborhood residency.
Denver Revised Municipal Code section 6-205 requires every retail and medical marijuana dispensary to be at least 1000 feet from K-12 schools, child care, drug-treatment centers, and other dispensaries. Existing licenses may renew under grandfathering when buffers later changed.
DRMC 6-205 plus Denver Zoning Code chapter 59 restrict marijuana stores to specific commercial and main-street zones. Cultivation and manufacturing are limited to industrial districts. Hospitality businesses follow additional location restrictions adopted in 2021 social-use rules.
Denver regulates marijuana dispensary locations through DRMC Chapter 6, Article V and the Denver Zoning Code. Dispensaries must maintain buffer distances from schools, childcare centers, and other dispensaries. Denver issues limited licenses for both medical and recreational retail marijuana establishments and requires compliance with both state Marijuana Enforcement Division rules and local zoning.
Colorado Amendment 64 and state law allow adults 21 and older to cultivate up to six marijuana plants per person at home, with a maximum of twelve plants per household regardless of the number of residents. Denver's DRMC Chapter 6, Article V regulates marijuana-related activities within city limits, including home cultivation requirements.
Denver DRMC §50 (Air Pollution Control) and Colorado Air Quality Control Commission Regulation 14 limit motor-vehicle idling to about five minutes per hour for diesel and gasoline vehicles, with narrow exceptions for traffic, safety, and extreme weather conditions.
Denver has not adopted a citywide ban on gas-powered leaf blowers, and Colorado has no statewide ban. Use is governed by Denver's general noise ordinance DRMC §36 and the city's voluntary electric-equipment rebate programs through Xcel Energy and Climate Action.
Denver's Climate Action Plan and 2020 voter-approved 0.25% Climate Protection Fund commit the city to net-zero greenhouse-gas emissions by 2040 and 100% renewable electricity by 2030. The Office of Climate Action, Sustainability & Resiliency (CASR) administers programs.
Denver's Sustainable Purchasing Policy (Executive Order 123) directs city agencies to prefer environmentally preferable, energy-efficient, recycled-content, and locally produced goods and services. It applies to city operations only and does not bind private businesses or residents.
Denver's Green Buildings Ordinance (DRMC §10-300) and the 2022 Energy Code amendments require most new and reroofed buildings over 25,000 square feet to install cool, green, or solar-ready roofs that meet ENERGY STAR reflectance and emittance standards.
Denver's Game Plan for a Healthy City and the Office of Climate Action target heat-island reduction through a 30% citywide tree-canopy goal, cool-roof rules, the Cool Pavement pilot, and equity-focused tree-planting in historically underserved neighborhoods.
Denver enforces comprehensive stormwater management under the Denver Revised Municipal Code (DRMC) Chapter 56 (Utilities) and the Ultra-Urban Green Infrastructure Guidelines. The city operates under an MS4 NPDES permit from the Colorado Department of Public Health and Environment. Denver's Green Roof Ordinance (effective 2018) requires green roofs or solar installations on large buildings to reduce stormwater runoff.
Denver is a landlocked city located over 850 miles from the nearest coastline and has no coastal development regulations. As a high-plains city at 5,280 feet elevation, Denver's waterfront regulations focus on the South Platte River and Cherry Creek corridors rather than coastal zones. There are no coastal commissions, coastal setbacks, or coastal development permits applicable to Denver.
Denver requires erosion and sediment control for all construction and ground-disturbing activities under DRMC Chapter 56 and the Denver Building Code. The Department of Transportation and Infrastructure (DOTI) administers erosion control through stormwater permit requirements. Projects must implement Best Management Practices (BMPs) before any grading begins.
Denver regulates development in FEMA-designated flood hazard areas under DRMC Chapter 56, Article IV (Floodplain Management). Major flood risks in Denver center on the South Platte River, Cherry Creek, Harvard Gulch, Goldsmith Gulch, and Sanderson Gulch drainage basins. The Mile High Flood District (formerly Urban Drainage and Flood Control District) coordinates regional flood management.
Denver is an inland city with no ocean shoreline but regulates development along waterways through stream setback requirements and floodplain management. The South Platte River and Cherry Creek are primary regulated waterways with designated greenway corridors.
Denver regulates site grading and drainage under the Denver Building Code and DRMC Chapter 56 to ensure proper stormwater management and prevent damage to adjacent properties. The Department of Transportation and Infrastructure (DOTI) and Community Planning and Development (CPD) review grading plans for compliance with the Urban Storm Drainage Criteria Manual (USDCM).
Denver Building & Fire Code DRMC §10 adopts the 2018 International Residential Code R313 and IBC §903, requiring NFPA 13D sprinklers in new one- and two-family dwellings, townhouses, and most multifamily buildings, plus retrofit triggers in substantial alterations.
Denver childcare centers must meet International Building Code Group E or I-4 occupancy standards under DRMC §10 plus state Colorado Department of Early Childhood licensing rules covering staffing, square footage, fencing, and fire-egress.
Denver's Green Buildings Ordinance (Initiative 300, 2017; amended 2018 and 2022) requires buildings 25,000 square feet or larger to choose a sustainable pathway: green or cool roof, on-site solar, off-site renewables, or energy efficiency tied to ASHRAE 90.1 plus Energize Denver targets.
Denver requires right-of-way permits for scaffolding occupying public sidewalks or streets through the Department of Transportation and Infrastructure (DOTI). The 2025 Denver Building Code and Colorado OSHA standards govern scaffold safety. All scaffolding must be erected under competent person supervision with proper fall protection.
Denver elevators are regulated by the Colorado Division of Oil and Public Safety and the Denver Building Code Chapter 30. All elevators must be registered with the state and inspected annually. Maintenance must comply with ASME A17.1 standards. Building owners are responsible for safe operation and must maintain current inspection certificates.
Denver landlords and sellers must comply with federal EPA lead paint disclosure requirements for all pre-1978 housing. Colorado Real Estate Commission forms LP46 and LP48 are used for lead disclosures in rental and sales transactions. Renovation work disturbing lead paint in pre-1978 buildings must be performed by EPA-certified firms under the RRP Rule.
Denver's property maintenance standards under the Denver Building and Fire Code require landlords to maintain rental properties free of pest infestations. The Denver Department of Public Health and Environment addresses pest-related health concerns. Commercial pesticide applicators must be licensed by the Colorado Department of Agriculture under the Pesticide Applicators' Act.
Comprehensive Plan 2040 sets Denver's long-range vision while Blueprint Denver (the integrated land-use and transportation plan), Game Plan, and Housing an Inclusive Denver guide neighborhood planning and area-specific small-area and station-area plans.
Denver's Expanding Housing Affordability ordinance (CB22-0414, effective July 2022) replaced Initiative-300 era inclusionary rules with mandatory affordable-housing requirements plus floor-area-ratio and height density bonuses for projects exceeding base zoning.
Denver Water and Resource Central offer turf-replacement rebates of about $1-$2 per square foot, plus Garden In A Box kits, encouraging customers to swap thirsty Kentucky bluegrass for water-wise native plants. Replacement is voluntary, not required.
Denver Water's annual summer watering rules limit lawn irrigation to three days per week, prohibit watering between 10am and 6pm, ban runoff onto pavement, and require fixing visible leaks within ten days. Drought stages add further restrictions.
Denver DRMC §54 and the Vision Zero Action Plan govern bicycle lanes. Drivers must give bicyclists at least three feet when passing, may not stop or park in marked bike lanes, and must yield to cyclists in protected bikeways and intersections.
DRMC §54-583 and Denver DOTI rules license shared dockless e-scooter and e-bike operators. Lyft and Lime currently operate 500-1,000 device fleets each. Riders must follow on-street bike-lane rules, wear helmets if under 18, and cannot ride drunk on sidewalks downtown.
Denver licenses sexually oriented businesses under DRMC Ch. 7 with strict zoning buffers from schools, churches, daycares, and homes. Adult cabarets, bookstores, theaters, and modeling studios all need a Department of Excise and Licenses permit.
Massage therapists need a Colorado state license under C.R.S. §12-235, and Denver requires a separate massage facility license under DRMC Ch. 32. The local rule targets human-trafficking and prostitution fronts with inspections, hours limits, and signage.
Denver requires every tobacco, vape, and nicotine retailer to hold a city license under DRMC Ch. 24. The 2020 ordinance also bans flavored vape and tobacco sales citywide and raises the purchase age to 21 with photo-ID verification.
Secondhand dealers in Denver must obtain a license under DRMC Ch. 47 and report each transaction to police via the LeadsOnline system within 24 hours. Colorado C.R.S. §12-56-104 requires a five-day hold on purchased property.
Pawnbrokers in Denver must hold a state pawnbroker license under C.R.S. §12-56-104 plus a city license, file daily transaction reports with the Denver Sheriff via LeadsOnline, and obey rate caps and statutory hold periods on pledged property.
Tow operators in Denver are regulated by the Colorado Public Utilities Commission as Towing Carriers under C.R.S. §40-10.1, and DRMC Ch. 54 governs nonconsensual tows from private property, posting requirements, drop fees, and storage rates.
Denver bans aggressive solicitation under DRMC §38-117 and Colorado C.R.S. §18-9-112. Passive sign-holding is constitutionally protected, but threatening, blocking, or soliciting near ATMs, bus stops, or after dark can trigger criminal citation.
Denver DRMC §38-93 makes urinating or defecating in public a citable offense in any public place where it can be observed. First-offense fines run up to $999, and a citation does not create a sex-offender registry entry.
Denver's loud-party ordinance under DRMC Ch. 36 lets police bill the host for a second response within 12 hours. After two warnings, hosts face fines up to $999 plus reimbursement of officer time and equipment costs.
Denver DRMC §24-401 (Smoke-Free Workplace) bans smoking and vaping inside all workplaces and within 25 feet of any entrance. Smoking is also banned in city parks, golf courses, pools, and most outdoor patios serving food.
Colorado HB24-1453 decriminalized safe mid-block crossings statewide effective 2025. Pedestrians may cross outside crosswalks if they yield to traffic, and Denver no longer issues jaywalking tickets except for unsafe conduct under C.R.S. §42-4-803.
Denver's sign code under DRMC Ch. 10 generally bans new off-premise digital billboards citywide, with limited exceptions for stadium and arena districts. Existing billboards may not be converted to digital or LED faces under current rules.
Denver's sign code under the Denver Zoning Code Article 10 treats holiday displays and decorations separately from commercial signage. Seasonal holiday displays on residential property are generally exempt from sign permit requirements and are broadly permitted as temporary decorations.
Denver regulates signs through the Denver Zoning Code (DZC) Article 10, Division 10.10. Political signs on private residential property are broadly protected under the First Amendment and Colorado law. Denver's sign code exempts certain non-commercial signs from permit requirements, including political campaign signs within size limits.
Denver regulates temporary signs including garage sale signs through the Denver Zoning Code Article 10, Division 10.10. Garage sale signs are considered temporary non-commercial signs and are subject to size, placement, and duration restrictions. Signs may not be placed on public property, utility poles, or in the right-of-way.
FAA Temporary Flight Restrictions (TFRs) prohibit drones within three nautical miles and below 3,000 feet of Empower Field at Mile High, Coors Field, and Ball Arena during major events. Denver also limits drone use at Civic Center and city festivals.
FAA Part 107 controls airspace around Denver International Airport (DEN) and smaller fields like Centennial and Rocky Mountain Metro. Recreational and commercial drone pilots must use LAANC for near-real-time authorization in controlled airspace under 400 feet AGL.
Denver Parks and Recreation prohibits drone flights in all Denver parks and open spaces unless specifically authorized. Denver follows FAA regulations for recreational drone use under the Exception for Limited Recreational Operations (49 USC §44809). Denver International Airport's airspace creates significant restricted zones across eastern Denver.
Commercial drone operations in Denver require FAA Part 107 certification and must comply with all FAA airspace requirements, particularly around Denver International Airport's Class B airspace. Denver does not require a separate local commercial drone permit but operators must follow park prohibitions and privacy laws.
Denver Community Planning and Development uses NREL's SolarApp+ for instant online permits for code-compliant rooftop solar PV. Colorado HB21-1255 caps fees, requires 7-business-day plan review, and bars HOA blocks, accelerating residential adoption.
Colorado HB10-1342 and Public Utilities Commission rules let Denver residents subscribe to community solar gardens up to 5 MW. Subscribers receive bill credits on Xcel Energy bills without installing panels, with low-income carve-outs under SB19-236.
Denver requires building permits for the installation of solar photovoltaic (PV) and solar thermal systems under the Denver Building Code administered by Community Planning and Development (CPD). Colorado's Solar Rights Act (C.R.S. §38-30-168) protects homeowners' right to install solar panels and limits HOA restrictions on solar devices.
Colorado's Solar Rights Act (C.R.S. §38-30-168) strongly protects homeowners' right to use solar energy devices and limits the ability of HOAs to restrict solar panel installations. Denver residents benefit from this state-level protection which renders void any covenant that effectively prohibits the installation of solar devices.
Denver's Waste No More / Climate Action Recycling Ordinance (Ordinance 22-1305, effective 2024) requires all single-family homes to receive recycling and compost service through Denver Solid Waste Management's volume-based pricing program. Apartments and businesses phase in 2024-2026.
Denver provides curbside trash, recycling, and composting collection through Denver Solid Waste Management under DRMC Chapter 48 (Solid Waste). Residential properties receive weekly trash collection and every-other-week recycling collection using city-issued carts. Denver expanded composting collection citywide in 2022.
Denver specifies rules for trash and recycling cart placement under DRMC Chapter 48 and Denver Solid Waste Management guidelines. Carts must be placed at designated collection points near the curb or alley and retrieved promptly after collection.
Denver provides bulk item and large trash disposal through Extra Trash pickup and scheduled large item collection via Denver Solid Waste Management. Residents can request bulky item pickup through Denver 311 or use the city's drop-off facilities for large items not accepted in regular carts.
Denver mandates recycling for residential and commercial properties under DRMC Chapter 48 and the Denver Solid Waste Management program. Denver provides single-stream recycling collection for residential properties and requires commercial properties to have recycling services. The city expanded composting services citywide and is moving toward mandatory composting.
Denver Police Department deploys Flock Safety automated license plate readers across the city. Colorado C.R.S. §38-12-503 (and related statutes) impose data retention and access rules. Public criticism of mass-surveillance scope continues.
Denver allows residential security cameras without a permit. Colorado is a one-party consent state for audio recording. Video surveillance of publicly visible areas is permitted. Cameras must not intentionally record areas where people have a reasonable expectation of privacy.
Colorado is a one-party consent state under CRS 18-9-303. Only one participant in a conversation needs to consent to recording. Eavesdropping on conversations without any party's consent is a class 6 felony.
Denver allows privacy fences up to 6 feet in side and rear yards and 4 feet in front yards without a building permit. Fences must comply with Denver Zoning Code setback and material requirements.
DRMC chapter 57 makes the Denver City Forester responsible for all trees in public rights-of-way and parks. Removal, pruning, or planting of street trees requires a Denver Forestry permit. Approved species list emphasizes climate-resilient, drought-tolerant, non-ash varieties.
Denver requires permits for the removal of any tree on public property and trees in the public right-of-way under DRMC Chapter 57 (Vegetation) and the Denver Forestry Rules. The Office of the City Forester manages the tree permit program. Trees on private property may also require permits depending on size and the development context.
Denver requires tree replacement when public or right-of-way trees are removed, and often during development that impacts existing trees. The Office of the City Forester sets replacement species lists and standards. Denver's urban tree canopy goal drives replacement requirements to maintain and expand the city's tree cover.
Denver protects significant trees through the Office of the City Forester under DRMC Chapter 57. While Denver does not have a formal 'heritage tree' registry identical to some cities, the city protects notable, mature, and specimen trees on public property and during development review. Large-diameter trees receive additional scrutiny before removal is approved.
Denver protects public trees through the Denver Revised Municipal Code. The city forestry division manages street trees and trees in the public right-of-way. Private tree removal on residential lots generally does not require a city permit unless the tree is in the right-of-way.
DRMC chapter 49 article III and Office of Special Events (OSE) rules require parade permits at least 60 days before the event for any procession on public streets. OSE coordinates with police, fire, DOTI, and parks for traffic and safety review.
Denver provides free block party permits for residential street closures. Applicants must gather signatures from approximately 75% of residents affected by the closure. Block parties apply to residential streets and alleys only. The Department of Transportation and Infrastructure (DOTI) reviews applications and coordinates with emergency services.
Denver Parks and Recreation requires permits for public events in city parks including festivals, concerts, and athletic events. Applications are processed through the Parks and Recreation department. Events such as weddings, picnics, and small gatherings on private property do not require Office of Special Events permits but may need park reservations.
Denver restaurants need a sidewalk cafe permit to place tables and chairs in the public right-of-way. Downtown Denver Business Improvement District coordinates permits within the BID area. Cafes must maintain ADA-compliant pedestrian clearance. Street occupancy permits are required from DOTI for use of sidewalk or curbspace.
DRMC chapter 30 establishes Denver historic districts including LoDo, Curtis Park, Humboldt Street, Quality Hill, and parts of Capitol Hill and Cheesman Park. Exterior alterations need a Certificate of Appropriateness from the Landmark Preservation Commission.
Owners or community groups can nominate Denver structures as individual landmarks under DRMC chapter 30. Landmark Preservation Commission reviews applications using significance, integrity, and exterior criteria. Designation triggers Certificate of Appropriateness review for exterior changes.
Colorado Department of Agriculture lists Ailanthus altissima (tree of heaven) as a List B noxious weed under the Colorado Noxious Weed Act. Denver Forestry requires removal on private property and bans planting under DRMC chapter 57 right-of-way standards.
Denver does not have a specific ordinance banning or restricting bamboo. Colorado's Noxious Weed Act does not list bamboo as a noxious weed. Running bamboo that spreads to neighboring properties may be addressed as a nuisance under general city code.
Denver enforces the Colorado Noxious Weed Act, which classifies invasive species into List A (eradication required), List B (management required), and List C (advisory). Common prohibited species include Russian olive, musk thistle, and diffuse knapweed.
Denver allows front yard food gardens and edible landscaping. Colorado law (HB19-1050) prohibits HOAs and municipalities from banning vegetable gardens. The city encourages water-wise landscaping and allows xeriscaping in front yards.
Denver's Zoning Code allows residential lawn ornaments and statuary without permits provided they do not exceed accessory-structure height limits in DZC Article 4 (typically 17 ft) and do not encroach into the public right-of-way (DRMC Chapter 49). Signs with messaging are governed by DZC Article 10.10, and HOA architectural review applies to applicable properties.
Denver has no ordinance restricting when residents may put up or take down holiday lights. DRMC Chapter 36 (Noise) governs amplified outdoor displays, DZC Article 10.10 controls outdoor lighting trespass, and HOA covenants set the binding rules. Most residential holiday lighting operates without any permit.
Denver does not regulate residential inflatable holiday decorations by size or type. Blower-motor noise falls under DRMC 36-6 (Noise) limits, lighted inflatables under DZC 10.10 outdoor-lighting standards, and HOAs typically set binding restrictions through CC&Rs. Outdoor electrical connections require GFCI protection per Denver Electrical Code 210.8.
Backyard wood and pellet smokers are allowed at single-family Denver homes but are governed by DRMC Chapter 4 (Air Pollution Control) and Colorado Department of Public Health and Environment (CDPHE) Regulation No. 4. Persistent visible smoke can be cited as a nuisance under DRMC 4-7. Multi-family balconies fall under DFC 308.1.4 prohibiting any open-flame device.
Built-in outdoor kitchens in Denver require permits from Community Planning and Development whenever the project includes gas piping, electrical, plumbing, or a fixed structural roof under Denver Building Code 105. Detached one-story accessory structures under 200 sq ft with no utility connections may not require a building permit but still need zoning sign-off.
Denver Fire Code (DRMC Title 9, adopting IFC 2018 with amendments) Section 308.1.4 prohibits charcoal grills and LP-gas containers over 1 lb on combustible balconies and within 10 feet of multi-family combustible construction. Single-family backyard grilling is unregulated by city code. Electric grills are exempt. Sprinklered balconies are exempted from the ban.
Denver requires door-to-door solicitors and peddlers to obtain a Solicitor's License from the Denver Department of Excise and Licenses under DRMC Chapter 6 (Alcoholic Beverages, Marijuana and Certain Activities). Commercial solicitors must carry their license while canvassing and display identification. Religious, political, and nonprofit canvassers are generally exempt from licensing requirements.
Denver recognizes 'No Soliciting' and 'No Trespassing' signs as enforceable under DRMC trespassing provisions. Solicitors who ignore posted signs or refuse to leave when asked are subject to trespassing charges. Denver does not maintain a citywide no-knock registry but property owners can effectively opt out of solicitation through posted signage.
Denver's Zoning Code establishes maximum building height limits for each zone district. Height limits range from 30 feet in single-unit residential zones to unlimited in downtown core districts. Community Planning and Development reviews all building permits for height compliance.
Denver's Zoning Code limits lot coverage (the percentage of a lot covered by buildings and structures) based on zone district. Lot coverage limits help preserve open space, manage stormwater, and maintain neighborhood character. CPD reviews lot coverage during building permit review.
Denver regulates building setbacks through the Denver Zoning Code (DZC) which establishes minimum front, side, and rear setback requirements for each zone district. Community Planning and Development (CPD) administers setback compliance through building permit review. Setbacks vary significantly by zone district and building form.
Denver does not require a permit for residential garage sales but limits each property to four sales per calendar year, each lasting no more than three consecutive days. Hours are 8:00 AM to 8:00 PM. Signs are prohibited on public property and require removal within 24 hours after the sale. Violations carry fines up to $999.
Denver does not impose a specific numerical limit on the number of garage sales a resident may hold per year. However, sales that become regular or frequent enough to constitute a commercial retail operation may be treated as a home business subject to zoning and licensing requirements.
Denver does not set specific mandatory operating hours for garage sales through the DRMC. However, general noise ordinances and neighborhood standards effectively limit sales to reasonable daytime hours. Most Denver garage sales operate during standard daytime hours consistent with residential neighborhood norms.
Denver residential property owners must clear sidewalks within 24 hours of snowfall ending. Businesses, commercial properties, and CBD addresses have only 4 hours. The full sidewalk width must be cleared. Owners who fail to comply may be cited and billed for city contractor clearance.
Denver regulates trash container storage and placement through DRMC Chapter 48 (Solid Waste) and neighborhood-specific rules. Denver Solid Waste Management provides curbside trash and recycling collection using city-issued purple carts (trash) and green carts (recycling/compost). Bins must be placed and retrieved according to specific timing rules.
Denver enforces property maintenance standards through DRMC Chapter 27 (Housing Code) and Chapter 48 (Solid Waste). The Department of Community Planning and Development conducts inspections in response to 311 complaints for blighted properties including deteriorated structures, accumulation of trash or debris, overgrown vegetation, and abandoned vehicles.
Denver allows garage sales and yard sales on residential property without a permit. The city does not impose a formal limit on the number of garage sales per year through the DRMC, but sales that become frequent or resemble ongoing retail operations may trigger home occupation or zoning enforcement.
Denver requires vacant lots to be maintained in compliance with DRMC Chapter 27 (Housing) and Chapter 48 (Solid Waste). Vacant and unimproved lots must be kept free of weeds, trash, and debris. The city actively monitors vacant properties and responds to 311 complaints about neglected lots.
Denver Zoning Code §10.6 requires fully-shielded fixtures, caps color temperature at 3000K, and limits light trespass to 0.5 foot-candles at residential property lines. Non-essential commercial lighting must dim or extinguish by 11:00 PM. The standards align with Colorado's growing dark-sky tourism corridor.
Denver addresses light trespass through the Denver Zoning Code Article 10, Division 10.8 (Outdoor Lighting Standards) which limits the amount of light that may spill onto neighboring properties. Light trespass complaints can be filed through Denver 311 and are investigated by zoning enforcement.
Denver designates specific zones where food trucks and mobile vendors may operate on public right-of-way under DRMC Chapter 24 and the Denver Zoning Code. The city has established food truck-friendly areas in downtown, the RiNo Art District, and other commercial corridors while restricting operations near brick-and-mortar restaurants.
Denver requires mobile food vendors to obtain multiple licenses under DRMC Chapter 24 (Food and Food Handlers) and Chapter 6 (Business Licensing). Food trucks need a Denver business license, a mobile food vendor license from Denver Environmental Health, a sales tax license, and must comply with the Denver Fire Code for cooking equipment.
Denver Parks and Recreation enforces park closure hours under DRMC Chapter 39 (Parks and Recreation). All Denver parks are closed from 11 PM to 5 AM unless otherwise posted or authorized by the Department of Parks and Recreation. Certain parks and facilities have earlier closing times.
Denver enforces a juvenile curfew under DRMC §38-91 through §38-95. Minors under 18 are prohibited from being in public places during curfew hours without a parent, guardian, or authorized adult. The curfew aims to reduce juvenile crime and protect minors.
Denver designates specific zones for mobile food vending in parks, on streets, and on the 16th Street Mall. The Downtown Denver BID manages the 16th Street vending program for food, retail, and service kiosks. Denver Parks and Recreation issues temporary vending permits for designated park sites. Operating zones and hours are specified in each vendor's permit.
Denver requires a retail food mobile license from the Department of Environmental Health for food trucks, trailers, and carts. A general business license and Street Occupancy Permit from DOTI are also needed. Mobile vendors must have an agreement with a licensed commercial kitchen for food preparation and vehicle servicing.
Denver mobile food carts and trucks must meet DDPHE health standards, maintain commissary agreements, and comply with vehicle and fire safety requirements. All food handling must follow the Colorado Retail Food Establishment Rules. Vehicles must display permits prominently and carry fire extinguishers.
HOA architectural review in Denver is governed by CCIOA and each association's declaration. Architectural review committee meetings must be open to all owners. Associations must apply standards consistently, and restrictions must serve a legitimate purpose. Colorado law protects the right to install renewable energy devices and display certain flags.
HOAs in Denver are governed by the Colorado Common Interest Ownership Act (CCIOA, C.R.S. 38-33.3). Board meetings must be open to all unit owners. Agendas must be made reasonably available, and owners must be permitted to speak on issues before the board votes. The Colorado Division of Real Estate provides HOA oversight and complaint resources.
CCIOA governs HOA assessments in Denver. The board must adopt an annual budget and provide it to all owners. Associations may levy regular and special assessments. Liens for unpaid assessments take super-priority over first mortgages for up to six months of dues. Colorado HB 24-1337 caps attorney fees in collection actions.
CCIOA provides structured dispute resolution for Denver HOA conflicts. The Colorado Division of Real Estate offers a HOA Information and Resource Center. Mediation and arbitration are encouraged before litigation. The Office of the HOA Ombudsman helps resolve disputes informally. Court actions may involve recovery of attorney fees by the prevailing party.
CC&R enforcement in Denver HOAs is governed by CCIOA. Associations must provide written notice of violations and an opportunity to cure before imposing fines. Fines must be authorized by the governing documents and applied consistently. CCIOA requires due process protections including notice and a hearing before sanctions.
Denver accepts code violation reports through 311 by phone, online via PocketGov (denvergov.org/pocketgov), or through the Denver 311 app. The city tracks and prioritizes issues based on volume of reports.
Denver code enforcement response times vary by issue type and severity. Emergency safety complaints receive priority response. Standard property maintenance and zoning complaints are typically investigated within 5-10 business days.
Denver's most common code violations include weeds and overgrown vegetation, junk and debris accumulation, abandoned vehicles, parking on unpaved surfaces, graffiti, and unpermitted construction. The city enforces Denver Revised Municipal Code and International Building Code.
Denver exempts detached accessory structures under 200 square feet from building permits if they do not require a concrete foundation. Sheds over 200 square feet require a building permit from Community Planning and Development.
Most residential fences in Denver do not require a building permit. Standard fences 6 feet or under in side/rear yards and 4 feet or under in front yards are exempt. Masonry walls and retaining walls over 4 feet require permits.
Denver requires building permits for most deck construction, especially elevated decks. Patios at grade level generally do not require permits. Decks must comply with setback, lot coverage, and structural code requirements.
Denver requires building permits for most home renovations including structural changes, electrical, plumbing, HVAC, and mechanical work. Minor cosmetic work like painting and flooring does not require permits. Denver offers online permitting through its e-permits system.
Colorado counties zone agricultural lands under state planning laws while preserving farm operations through Right to Farm protections and local agricultural overlays.
Colorado's Right to Farm Act under CRS 35-3.5-102 shields agricultural operations from nuisance lawsuits when they follow generally accepted practices and predate complaints.