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Longmont's quiet hours run from 10:00 p.m. to 7:00 a.m. under LMC § 10.20.100 and § 10.20.110, when nighttime sound limits apply and many residential activities become prima facie…
Longmont treats persistent animal noise as a public nuisance under LMC § 7.04.130. An owner who allows a pet to habitually bark, howl, yelp, or otherwise disturb a neighborhood faces…
Under LMC § 10.20.100(A), amplified sound is prima facie unreasonable noise at any time of day if it is audible 25 feet from the source or inside a private residence the responsible…
LMC § 10.20.110 caps noise at 75 dB(A) in industrial zones day or night, measured at least 25 feet from the source. Industrial operations including railroad rights-of-way must keep…
Under LMC § 10.20.110(D)(4), construction activity in a residential area or within 500 feet of a school is prohibited between 7:00 p.m. and 7:00 a.m. Monday through Saturday and before…
Longmont does not ban leaf blowers, but LMC § 10.20.110(D)(3) restricts homeowner power equipment — including leaf blowers — to the hours of 7:00 a.m. to 10:00 p.m. and requires…
Longmont does not separately regulate aircraft overflight noise. Aircraft operations are pre-empted by federal law administered by the Federal Aviation Administration (FAA), so the…
LMC § 10.20.110 sets dB(A) ceilings measured at least 25 feet from the source: residential 50 night / 55 day, commercial 55 night / 65 day, industrial 75 day and night. Mixed-use…
Outdoor amplified music in Longmont is regulated through LMC § 10.20.100(A) (amplified-sound prohibition audible at 25 feet) combined with the LMC Chapter 13.37 'use of public places'…
Every vehicle in unincorporated Boulder County must have a working muffler with no cutoff or bypass. On roads, cars may not exceed 80-88 dB(A) depending on type and speed limit; on…
Longmont allows recreational fires with a fuel area of three feet or less in diameter and two feet or less in height, burning only natural untreated wood, kept 25 feet from any…
Longmont follows Colorado state fireworks law (C.R.S. 24-33.5-2001, formerly Article 28 of Title 12). Any firework that leaves the ground or explodes is illegal. Only state-permissible…
Open burning is prohibited within Longmont city limits unless specifically allowed by the burning regulations or permitted by the Longmont Fire Department. No burning of leaves, trash…
Longmont Municipal Code Chapter 9.32 (Weed Control) requires property owners to keep weeds and grasses cut to no more than 12 inches in height. Tall dry vegetation is the most commonly…
Longmont sits on the Front Range plains at roughly 5,000 feet of elevation. Per the Colorado State Forest Service and 2022 CO-WRA (Colorado Wildfire Risk Assessment) mapping, the…
Backyard fires in Longmont are limited to recreational fires (max 3 ft diameter, 2 ft height of natural untreated wood, 25 ft from structures, attended) or portable outdoor fireplaces…
Longmont enforces smoke alarm placement under the adopted 2021 International Fire Code (LMC Chapter 16.32) and follows Colorado state law (C.R.S. 38-45-101 et seq.) for carbon monoxide…
Longmont follows the 2021 International Fire Code (LMC Chapter 16.32, Ord. O-2021-66) Chapter 61 for liquefied petroleum gas storage and use. Longmont Fire Services specifies that…
Longmont does not codify short-term-rental-specific quiet hours; STR guests are subject to the same general noise ordinance as every other resident, located in Longmont Municipal Code…
Longmont's Short Term Rental program does not impose an STR-specific off-street parking ratio beyond the parking minimums that already apply to the dwelling under the Land Development…
The City of Longmont requires every short term rental (rental of an entire dwelling or individual rooms for fewer than 30 consecutive days) to hold both a Short Term Rental (STR)…
Short-term rentals in Longmont collect a stack of state, regional, county, and city sales/lodging taxes plus a separate City of Longmont Lodger's Excise Tax. The City's lodger tax rate…
The Longmont Short Term Rental program limits the maximum number of guests in an STR to two persons per legal bedroom plus two additional occupants. A three-bedroom STR is therefore…
Longmont does not impose a fixed annual cap on the number of rental nights a licensed short-term rental may host. There is no '90-day,' '120-day,' or '180-day' booking limit codified…
Longmont allows two STR configurations. Whole-dwelling STRs may be operated unhosted by a Longmont resident owner (the resident may rent the entire dwelling to one group at a time…
Longmont requires every short-term rental to be covered by liability insurance with minimum limits of $1,000,000. The coverage may take the form of property liability insurance…
Registering a short-term rental in Longmont is a four-step sequence: (1) create an Accela Citizen Access (ACA) account at the city's permit portal, (2) apply for a City of Longmont…
Longmont's STR program restricts licenses to City of Longmont residents only. A resident may operate an STR in their primary residence and may also hold one additional STR license on a…
Under Longmont Municipal Code 11.12.040 and 11.12.050, a vehicle left on a public street or other public property for 48 hours or longer is considered abandoned, and a 'junked' vehicle…
Longmont prohibits parking a sleeper vehicle (camper coach, camper trailer, motor home, multi-purpose trailer, trailer coach, or recreational vehicle) on any public street, alley, or…
Longmont Municipal Code Section 9.04.130 requires every owner, agent, or tenant to remove snow, sleet, ice, or other obstruction from the public sidewalk adjoining their property…
Street parking in Longmont is governed by LMC Title 11 (Traffic), most notably Chapter 11.12 (Stopping, Standing & Parking), Chapter 11.16 (Parking Assessments), and Chapter 11.24…
Longmont applies the same general on-street rules to commercial vehicles as to passenger vehicles - a 48-hour limit on any one location under LMC Chapter 11.12, then a required…
Longmont does not impose a citywide overnight parking ban on passenger vehicles. The default rule for any vehicle on a public street is the 48-hour stationary limit in LMC Chapter…
Longmont restricts where you may drive or park on residential property: under Title 15 (Land Development Code), vehicles in front and side yards facing city streets must be on a…
Longmont's principal restriction on oversized residential vehicles is its sleeper-vehicle ban under LMC Chapter 11.12, which prohibits camper coaches, camper trailers, motor homes…
Curb markings and colored-curb paint in Longmont are installed and maintained exclusively by the city; residents and property owners may not paint, alter, or add markings to a public…
Loading and unloading on a Longmont public street is allowed during active operations as an enumerated exception to the city's parking rules in LMC Chapter 11.12, including the…
Longmont Power & Communications (LPC) operates five publicly available Level 2 charging stations at city facilities, charging $1 per hour. New EV charging installations are reviewed by…
Longmont allows up to 4 hens (no roosters) per residential lot under Ordinance O-2011-02, codified in LMC Title 7. A backyard chicken hen permit is required from Planning & Development…
Longmont requires every dog off its owner's property to be under physical restraint by leash, and every dog and cat over 3 months of age must be licensed annually and currently…
Longmont does not have a dedicated beekeeping ordinance in LMC Title 7. Residential beekeeping is permitted as an accessory use; hives must not create a public nuisance under LMC §…
Longmont has no breed-specific dog legislation. The city explicitly states: 'In Longmont there are no breed specific laws in place.' Dangerous-dog enforcement is handled under Colorado…
Longmont restricts ownership of Vietnamese pot-bellied pigs to animals that have been inspected and issued a Colorado Certificate of Veterinary Inspection, and prohibits keeping…
Colorado state law prohibits intentionally feeding big-game wildlife — deer, elk, pronghorn, mountain goats, bighorn sheep, mountain lions and bears — with a $100 fine. Longmont…
Within Longmont city limits, traditional livestock (cattle, horses, goats, sheep, swine) are not permitted in residential zoning districts. LMC § 7.04.130 (Prohibited Keeping of…
Boulder County has no separate 'hoarding' ordinance, but Ordinance 2022-8 makes it unlawful to fail to provide any livestock or domestic animal with minimum care, or to neglect…
Boulder County's leash and at-large rules apply only to dogs, not cats. Cats are, however, covered by the mandatory rabies rule: Ordinance 2022-8 requires every dog, cat, and ferret to…
Boulder County's animal ordinance sets no flat cap on the number of dogs or cats per household in the unincorporated area. Instead, keeping many animals is regulated indirectly through…
Longmont requires a building permit for every fence project, including new fences, replacement of any amount of existing fence, swapping fence types (e.g., chain link to wood privacy)…
All swimming pools deeper than 24 inches and all hot tubs and spas must be enclosed by a fence at least 4 feet tall with openings no larger than 4 inches, per the Building Services…
Under Longmont Land Development Code (LMC) Chapter 15.05.100, residential fences and walls may be a maximum of 6 feet tall, and non-residential fences/walls a maximum of 8 feet. Fences…
Longmont Municipal Code requires the finished (smooth) side of any fence to face the public right-of-way, common open space, or other public areas. Property owners — not the City — are…
Longmont allows wood, vinyl, masonry, and ornamental metal fencing under LMC 15.05.100. Any species of wood may be used above ground; wood in contact with concrete or soil must be…
Longmont does not publish a stand-alone retaining-wall guide; walls are regulated under the adopted 2021 International Building Code (IBC) and 2021 International Residential Code…
Longmont's fence rules in LMC 15.05.100 set construction standards: posts at least 4x4, embedded at least 24 inches deep and spaced no more than 8 feet apart; wood in contact with…
Under LMC 15.05.100, fences made of barbed wire, tin, or sheet metal - or partly of those materials - are prohibited. Electric fences are also prohibited, except for low-voltage…
Longmont Code Enforcement enforces a 12-inch maximum height for weeds and grass on private property. The rule is administered by the Code Enforcement Office (303-651-8695) under the…
Removal of a healthy, high-value tree on City property or in the public ROW requires a Forestry Services permit and triggers appraisal and mitigation under LMC 13.24.110. The City…
Pruning of city-owned trees and trees in the public right-of-way requires a permit from Longmont Forestry Services and must be performed by a City of Longmont Licensed Tree Contractor…
Longmont follows the Colorado Noxious Weed Act (CRS 35-5.5) and the city's Integrated Weed Management Plan. The state's 98-species Noxious Weed List includes 25 species (List A)…
As of 2026 Longmont is at a Mild Drought Response Level (Drought Watch) with no mandatory restrictions and no assigned watering days. The City recommends no more than two watering days…
Longmont has no separate local rainwater ordinance. State law (Colorado HB 16-1005, codified at CRS 37-96.5-103) allows residents of single-family homes and multifamily buildings of…
Effective January 1, 2026, LMC Section 15.05.040 requires drought-tolerant vegetation or native ground cover to be the primary ground cover in landscaped areas, replacing the prior…
Longmont's updated LMC 15.05.040 (effective January 1, 2026) bans artificial turf as a 'non-functional turf' replacement in tree lawns, medians, parking-lot strips, and transportation…
Backyard composting is allowed and strongly encouraged in Boulder County. The county's Zero Waste program provides compost collection, but home compost piles must not create odor…
Longmont requires a building permit for any swimming pool (in-ground or above-ground over 24 inches deep), spa, or hot tub. Permits are issued by Building Services at 385 Kimbark…
Beyond the 4-foot barrier rule in LMC 15.05.100, Longmont enforces the 2021 IRC Appendix V and 2021 IBC pool-safety provisions: anti-entrapment drain covers compliant with the federal…
Longmont requires every pool deeper than 24 inches and every hot tub or spa to be enclosed by a barrier at least 4 feet (48 inches) tall, with no opening larger than 4 inches, per LMC…
Hot tubs and spas require a building permit in Longmont and must be enclosed by a 4-foot fence with openings under 4 inches per LMC 15.05.100 - OR they may use a lockable safety cover…
Above-ground pools are regulated the same as in-ground pools in unincorporated Boulder County. Any above-ground pool holding water over 24 inches deep meets the ISPSC swimming-pool…
Longmont prohibits visible exterior signage for home occupations. Signage for home-based businesses is governed by LMC Chapter 15.06 (Signs), and the home occupation standards in Title…
Longmont permits home occupations as an accessory use in residential zones under the Land Development Code (Title 15), provided the activity stays clearly subordinate to the dwelling…
Longmont's home occupation standards in Title 15 of the Land Development Code restrict customer traffic to keep the business clearly subordinate to the residential use. Substantial…
Family child care homes in Longmont are licensed by the Colorado Department of Early Childhood under 8 CCR 1402-1, and state law requires written zoning approval from the City before a…
Cottage food sales in Longmont are governed by the Colorado Cottage Foods Act (C.R.S. § 25-4-1614), which preempts local licensing requirements for direct-to-consumer sales of…
Anyone conducting a business out of a Longmont home must file a Home Occupation Affidavit with Planning & Development Services and comply with the home occupation standards in LMC…
Longmont adopted new ADU regulations on June 3, 2025, in LMC § 15.02.080.E to comply with Colorado HB24-1152. ADUs are allowed in R-RU, R-SF, R-MN, R-MF, MU-D, and N-AG zones; an ADU…
Converting a garage into habitable space in Longmont requires a building permit from Building Inspection (Title 16) and zoning approval under the Land Development Code (Title 15). If…
Longmont does not require a building permit for a one-story shed under 120 sq ft of floor area, but anything 120 sq ft or larger requires a building permit and engineered foundation…
Carports in Longmont are detached accessory structures regulated by the Land Development Code (Title 15) and the building code (Title 16). A building permit is required for any carport…
Tiny homes on a permanent foundation in Longmont are treated as either a single-family dwelling or an accessory dwelling unit depending on use, and must comply with the building code…
Longmont regulates outdoor lighting through Chapter 15.05 of the Land Development Code (Development Standards). The base standard caps outdoor lighting intensity at an average of 5…
Boulder County's Land Use Code (Article 7-1600) requires all outdoor light fixtures to be located, aimed, or shielded to minimize stray light trespassing across property boundaries…
A Forestry Services permit is required to remove any City-maintained tree or any tree in the public right-of-way. Permits are submitted online and processed within ~5 business days…
When a healthy high-value City or ROW tree is removed, LMC 13.24.110 requires mitigation equal to the appraised value (ISA trunk-formula method) either as in-kind replacement trees or…
Longmont's tree code lives in LMC Title 13 (Streets, Sidewalks, Public Places) Chapter 13.24 'Trees and Plants' and LMC Title 6 Chapter 6.88 'Tree Contractor License.' Together they…
Longmont does not use the term 'heritage tree.' Instead, LMC 13.24.110 (Tree Protection) protects 'healthy, high-value' trees on City property and in the public right-of-way. The City…
Longmont sets residential building setbacks by zoning district in the Land Development Code (LMC § 15.03.080). In R-SF: 15 ft front yard dwelling (10 ft with alley garage, 20 ft for…
In unincorporated Boulder County, residential structures on land platted before August 29, 1994 may reach 35 feet; on other land the maximum is 30 feet, and in no event may any…
Rather than a flat lot-coverage percentage, unincorporated Boulder County caps Residential Floor Area per parcel, generally the larger of the neighborhood median or a set…
Longmont's stormwater program is governed by LMC Chapter 14.26 (Stormwater Quality) and the city's NPDES MS4 permit issued by the Colorado Department of Public Health and Environment…
Longmont's floodplain regulations are codified in LMC Title 20 (Floodplain Regulations). St. Vrain Creek runs through the heart of the city and produced the catastrophic September 2013…
All construction sites in Longmont must install and maintain erosion and sediment control BMPs to keep soil out of the MS4 and the St. Vrain Creek system. Authority comes from LMC…
Longmont reviews grading and drainage through the Land Development Code (Title 15) plus the city's published Design Standards. Drainage Studies are required as part of the Design…
Longmont allows personal-use marijuana home cultivation in line with Colorado state law. Under LMC § 9.60.060, no more than 30 marijuana plants may be cultivated in any single dwelling…
Longmont has opted IN for retail marijuana sales — but on a tightly limited basis. Under LMC Chapter 6.70, the city caps retail marijuana stores at four citywide and prohibits any…
Longmont permits residential and commercial solar PV through Building Services with fees capped under Colorado HB 11-1199 (the Fair Permit Act) — $500 for a residential system and…
Colorado state law strictly limits what a Longmont HOA may do to a solar installation. C.R.S. 38-30-168 voids any covenant, condition, or restriction in a deed or HOA governing…
Longmont Waste Services is a city-operated utility regulated by LMC Chapter 14.12 (Solid Waste). Service is structured as Pay-As-You-Throw: a small 48-gallon yellow-lid cart on…
Longmont Waste Services runs a Large Item Collection program from February through October each year. Fees are $60 for one to two items and $75 for three items (the maximum), billed to…
Longmont Waste Services requires carts to be at the curb by 7:00 a.m. on the scheduled collection day. Place containers in the street in front of the curb near the corner of your…
Under the Waste Hauler Ordinance (2019-3), haulers must provide curbside single-stream recycling in many regions and, in denser areas, curbside organics (food and yard waste)…
Dumping trash on public or private land is illegal statewide under Colorado's littering law (C.R.S. 18-4-511), a class 2 petty offense with mandatory fines from $20 up to $1,000. On…
Longmont prohibits placing any signs — including garage-sale, yard-sale, and similar temporary signs — in the public right-of-way. All signs are regulated by LMC Chapter 15.06…
Longmont allows political election signs on private property only, with permission of the owner. They cannot be placed in the public right-of-way, attached to utility poles, street…
Longmont does not impose a calendar-based limit on residential holiday lights or seasonal decorations. They are exempt from sign-permit requirements under LMC Chapter 15.06 so long as…
Longmont (which provides municipal trash service under LMC Chapter 14.12) requires residents to place trash, recycling, and composting carts at the curb or designated alley side by…
LMC Chapter 6.44 (Code Enforcement's stated citation) requires that any trash, scrap material, appliances, dismantled machinery, or old furniture on private property be stored inside a…
Longmont applies its property maintenance code uniformly to vacant and occupied lots. Under LMC Chapter 9.32, weeds and grasses on any lot may not exceed 12 inches in height, and…
Under LMC 6.44.090 (cited by Longmont Code Enforcement), no garage sale in Longmont may run for more than 3 consecutive days, and no more than 12 total days of garage sales may take…
Under LMC § 9.04.130, Longmont requires the owner, agent, or tenant of any lot to clear snow, sleet, ice, or other obstruction from the public sidewalk abutting their property within…
On residential lots of 2.5 acres or less, brush, shrubs, grasses, and weeds must generally be kept under nine inches. Growth over nine inches that causes a nuisance violates Land Use…
Operating a food truck or pushcart in Longmont requires an annual Mobile Retail Food Vending Permit from the Building Services Division, plus a Longmont business license, a Longmont…
Per LMC § 15.04.050(D)(4), Longmont food trucks may operate only in non-residential zoning districts (ice cream vendors are allowed in residential zones), must remain at least 250 feet…
Federal law (FAA Part 107 and 49 U.S.C. § 44809 for recreational flyers) governs U.S. airspace and Longmont cannot regulate altitude or flight paths. The City does control take-off and…
Commercial drone operations in Colorado are governed almost entirely by FAA Part 107, with limited state additions covering wildlife, critical infrastructure, and privacy that apply…
Boulder County has no smoker-specific ordinance, but wood and charcoal smokers produce an open flame and are treated as "Open Fires" under Ordinance 2023-1. They are allowed when no…
Gas and charcoal grills are legal in unincorporated Boulder County when no fire ban is in effect, but the ordinance classifies charcoal and wood-pellet grill fires as "Open Fires."…
Colorado allows local governments to adopt minimum wages above the state rate under CRS 8-6-101, with statewide minimums adjusted annually for inflation.
Colorado requires paid sick leave under the Healthy Families and Workplaces Act and offers paid family medical leave through the FAMLI program funded by payroll premiums.
Colorado has no statewide predictive scheduling law but permits local governments to adopt fair workweek and advance notice scheduling ordinances for employers.
Colorado requires a concealed handgun permit issued by the county sheriff to carry a concealed firearm in public, with training and background check requirements.
Colorado repealed firearms preemption in 2021, allowing cities and counties to enact local gun regulations stricter than state law in most circumstances.
Colorado generally permits open carry of firearms by adults without a license, though local jurisdictions may impose restrictions in specific areas after the 2021 preemption repeal.
Colorado allows adults legally able to possess a firearm to carry a handgun in a private vehicle for lawful protection without a permit under CRS 18-12-105.5.
Under the Colorado Common Interest Ownership Act, C.R.S. § 38-33.3-316, an association has a statutory lien for unpaid assessments. After HB22-1137 (2022) it may foreclose only once…
CCIOA requires open governance. C.R.S. § 38-33.3-308 mandates open board meetings, owner comment, and limited executive sessions; § 38-33.3-310 requires secret ballots for contested…
C.R.S. § 38-33.3-302 lets a Colorado association enforce covenants and 'levy reasonable fines' only 'after notice and an opportunity to be heard.' Architectural and landscaping…
HB22-1137 rewrote C.R.S. § 38-33.3-209.5, capping most covenant fines at $500, requiring two consecutive 30-day cure periods (or 72 hours for safety threats) before legal action…
Colorado law overrides HOA covenants on several owner rights. C.R.S. § 38-33.3-106.5 protects flags, signs, and xeriscape/drought-tolerant landscaping; § 38-30-168 makes covenants…
Colorado does not require private employers to use E-Verify and repealed the prior employment eligibility affirmation form in 2016 under HB 16-1114.
Colorado law limits state and local cooperation with federal immigration enforcement under HB 19-1124, restricting ICE detainers, courthouse arrests, and information sharing statewide.
Before filing an eviction for nonpayment of rent, a Colorado landlord must serve a standard residential tenant with 10 days' written notice to pay or quit under Colo. Rev. Stat. §…
Colorado law implies a warranty of habitability in every residential lease. A landlord must respond within 24 hours to conditions that materially interfere with life, health, or…
Colorado HB23-1171 created a statewide for-cause eviction standard requiring landlords to cite specific statutory grounds, such as nonpayment or lease violations, before terminating…
Colorado has no general statute setting a notice period for a landlord to enter an occupied rental. Ordinary entry is governed by the lease and the tenant's covenant of quiet…
Colorado caps residential late fees at the greater of $50 or 5% of the past-due rent. No late fee may be charged until rent is at least seven days late, and only if disclosed in…
To end a no-fault tenancy, Colorado requires written notice scaled to the tenancy length under Colo. Rev. Stat. § 13-40-107: 21 days for a month-to-month tenancy, 28 days for…
Colorado prohibits rent control statewide. Colo. Rev. Stat. § 38-12-301 declares rent control a matter of statewide concern and bars any county or municipality from enacting an…
For residential tenancies with no written agreement (including month-to-month), a Colorado landlord must give at least 60 days' written notice before raising rent. Statewide, a…
Colorado caps residential security deposits at two months' rent. Landlords must return the deposit, with an itemized written statement of any deductions, within 30 days of lease…
Colorado's general adverse possession period is 18 years of open, continuous, hostile possession under Colo. Rev. Stat. § 38-41-101. The period shrinks to 7 successive years where the…
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.
Colorado banned single-use plastic carryout bags and polystyrene foam containers statewide under the Plastic Pollution Reduction Act, fully effective in 2024.
Colorado prohibits retail food establishments from using expanded polystyrene foam containers for ready-to-eat food and beverages under the Plastic Pollution Reduction Act.
Colorado does not ban plastic straws statewide, but allows cities to restrict distribution and many require straws only upon customer request.
Colorado prohibits the sale and furnishing of cigarettes, tobacco, and nicotine vapor products to anyone under age 21 statewide under CRS 18-13-121.
Colorado does not impose a statewide flavored tobacco ban, but home rule cities and counties may prohibit flavored vape and tobacco product sales locally.
Colorado requires retailers selling cigarettes, vapor products, and other tobacco items to obtain a state retail tobacco license and follow strict point-of-sale rules.