A Resident's Guide to Fort Collins's Local Ordinances

Fort Collins is a mid-sized city in Larimer County, Colorado, with about 170000 residents. Like most cities its size, it has a set of local rules that may differ significantly from neighboring municipalities. Here is an overview of 166 ordinances across 42 categories that affect daily life in Fort Collins.

Building Safety

Fire Sprinkler Requirements: Fort Collins requires an automatic residential fire sprinkler system in every new two-family dwelling, going beyond the model code's one-and-two-family standard, though additions or alterations to an unsprinklered existing building are excused..

Also covered: Door Locking Hardware (moderate), Green Building Code (restrictive), Building Permits (moderate). See the full building safety guide for Fort Collins for details.

Business Licensing & Operations

Auto Repair on Residential Property: Fort Collins flatly excludes vehicle repair, servicing, detailing and towing from the list of businesses a resident can run as a home occupation. Section 3.8.3(10)(g) of the Transitional Land Use Code disqualifies the use whether the vehicles are dispatched from the home, brought there, or simply parked or stored on the property or an adjacent street..

Also covered: Secondhand Dealers (restrictive), Tobacco Retail License (moderate), Adult Entertainment (restrictive). See the full business licensing & operations guide for Fort Collins for details.

Accessory Structures

ADU Rental Restrictions: Fort Collins allows only one extra kitchen inside a single-family dwelling, and only through a minor amendment approval under Transitional Land Use Code Section 3.5.2(H). Before a building permit issues, the owner must record a notarized affidavit with Larimer County confirming the second kitchen will never be used to create a separate rental or second dwelling unit..

Also covered: Tiny Homes (moderate), ADU Rules (moderate), ADU Impact Fees (moderate). See the full accessory structures guide for Fort Collins for details.

Soliciting & Door-to-Door

Solicitor Permits: Anyone doing commercial door-to-door solicitation in Fort Collins must first get a permit from the Financial Officer and pay a nonrefundable fee. Every solicitor working under it must wear a visible ID badge naming the employer, and the permit runs two years before renewal..

Also covered: No-Knock Registry (moderate). See the full soliciting & door-to-door guide for Fort Collins for details.

Animal Ordinances

Exotic Pets: Fort Collins bans keeping or feeding a specific list of wild and exotic animals under Municipal Code § 4-73, including bears, non-domestic cats, skunks, venomous reptiles, raccoons, deer, wolves, coyotes, foxes and primates, unless federal or state law authorizes possession. Violators face a civil infraction citation from animal control..

Also covered: Cat Rules (moderate), Chickens & Livestock (moderate), Microchipping (limited). See the full animal ordinances guide for Fort Collins for details.

Fire Regulations

Fireworks: Fort Collins bans nearly all fireworks under a 2024 International Fire Code amendment, City Code § 9-2, adopting Section 5601.1.3. The possession, manufacture, storage, sale, handling, and use of fireworks are prohibited citywide, with narrow exceptions only for licensed storage and handling under Section 5604 and for permitted public fireworks displays run by a qualified pyrotechnic operator under Section 5608..

Also covered: Propane Storage (moderate), Fire Pits & Backyard Fires (moderate), Smoke Detectors (moderate). See the full fire regulations guide for Fort Collins for details.

Food Trucks & Mobile Vendors

Food Truck Permits: Every mobile food truck operating in Fort Collins needs an outdoor vendor license under Chapter 15, filed at least five business days before starting. Licenses run through December 31, need County retail food approval, proof of insurance and a sales tax license, and the Financial Officer decides within five working days..

Also covered: Sidewalk & Mobile Vending (restrictive), Vending Zones (moderate). See the full food trucks & mobile vendors guide for Fort Collins for details.

Short-Term Rentals

Short-Term Rental Permits: No one may rent out a Fort Collins dwelling for stays under 30 days without a City license. City Code § 15-642 requires the license before any short term primary or non-primary rental, and § 15-644 sets minimum requirements: ownership documentation, sales and lodging tax licenses, code compliance, and a fire and safety inspection..

Also covered: Repeat Violator Strikes (restrictive), Short-Term Rental Parking Rules (moderate), Taxes & Fees (moderate). See the full short-term rentals guide for Fort Collins for details.

Public Conduct

Outdoor Smoking Restrictions: Fort Collins bans smoking and vaping in every public place in the City, on all City-owned property including parks and trails, throughout the Downtown Smoke-Free Zone, and within 20 feet of any smoke-free entrance or outdoor serving area. Violators face a petty-offense fine capped at $500 under Section 12-67..

Also covered: Loitering Rules (moderate), Public Urination (moderate), Public Marijuana Use (restrictive). See the full public conduct guide for Fort Collins for details.

Parking Rules

Abandoned Vehicles: Fort Collins treats a vehicle as abandoned after 24 hours unattended on private property without the owner's consent, or 48 hours on any public street or right-of-way, under Traffic Code Section 1801. An unregistered vehicle, or one that is junked, wrecked or missing essential parts, also counts as abandoned, and the City can immobilize or tow it after the owner ignores a notice..

Also covered: Snow Removal Parking Rules (restrictive), Preferential Parking Districts (restrictive), Overnight Parking (moderate). See the full parking rules guide for Fort Collins for details.

Rental Inspections

Inspection Programs: Every long-term residential rental unit in Fort Collins, except owner-occupied units and mobile homes in a mobile home park, must be registered annually with the City. Registered units are subject to complaint-based inspection at any time, and renting an unregistered unit is a civil infraction..

Also covered: Tenant Complaint Process (moderate). See the full rental inspections guide for Fort Collins for details.

Environmental Rules

Stormwater Management: Fort Collins bans dumping pollutants or contaminated water into streets, watercourses or the storm drainage system under City Code § 26-498. The Utilities Executive Director enforces water quality standards on the stormwater utility created by Article VII of Chapter 26, with violations charged as misdemeanors under § 26-499..

Also covered: Defensible Space (permissive), Erosion Control (moderate), Flood Elevation Requirements (moderate). See the full environmental rules guide for Fort Collins for details.

Trash & Recycling

Valet Trash Rules: Fort Collins prohibits valet trash collection citywide under its 2024 International Fire Code amendments. Multifamily properties cannot contract door-to-door nightly trash pickup from unit doorsteps or hallways; residents and property managers must use centralized dumpsters or curbside carts instead.

Also covered: Illegal Dumping (strict), Pickup Rules & Schedules (moderate), Bin Placement Rules (moderate). See the full trash & recycling guide for Fort Collins for details.

Property Maintenance

Property Blight: Fort Collins Municipal Code Article IX (Sec. 20-110 et seq., general code) lets code enforcement officers declare a public nuisance, including violations of the International Property Maintenance Code adopted at Sec.

Also covered: Vacant Lot Maintenance (moderate), Snow & Sidewalk Clearing (moderate). See the full property maintenance guide for Fort Collins for details.

Noise Ordinances

Quiet Hours: Fort Collins caps outdoor sound at 50 dB(A) between 8:00 p.m. and 7:00 a.m.

Also covered: Barking Dogs (moderate), Leaf Blower Rules (moderate), Aircraft Noise (permissive). See the full noise ordinances guide for Fort Collins for details.

Outdoor Lighting

Light Trespass & Shielding: Fort Collins capped how much light a development could throw across its own lot line, from zero footcandles into natural habitat buffers up to 0.8 footcandles in the densest downtown lighting zone. Section 3.2.4 of the Transitional Land Use Code set the numbers for applications filed before May 17, 2024..

Also covered: Dark Sky Rules (moderate). See the full outdoor lighting guide for Fort Collins for details.

Landscaping Rules

Native Plants: Colorado law bars homeowner associations from blocking water-wise yards. Under C.R.S.

Also covered: Composting (limited), Tree Removal & Heritage Trees (restrictive), Artificial Turf (limited). See the full landscaping rules guide for Fort Collins for details.

HOA Rules

Dispute Resolution: Fort Collins makes it illegal to gut a condo declaration's mandatory arbitration clause for construction defect disputes without the builder's consent. Section 5-354 also forces any covenant-required mediation or arbitration to happen inside city limits, and violators face criminal penalties under § 1-15..

Also covered: CC&R Enforcement (moderate), HOA Disputes (moderate). See the full hoa rules guide for Fort Collins for details.

Special Events & Permits

Parade Permits: Fort Collins requires a special event permit before staging a parade, race, festival or similar event that affects a public right-of-way, under Chapter 23.5. Small parades of 50 or fewer people confined to sidewalks and marked crosswalks are exempt, but every other route march needs an application filed 45 business days ahead..

Also covered: Commercial Filming on Public Right-of-Way (limited), Sidewalk Dining & Cafés (moderate), Parklets (moderate). See the full special events & permits guide for Fort Collins for details.

Filming & Production

Street Closures: Fort Collins requires a special event permit before any commercial film production closes or obstructs a public street, sidewalk or right-of-way. Productions that stay off closed rights-of-way and don't take exclusive use of City property are exempt from the permit but must still file advance notice with the Permitting Authority under Chapter 23.5..

Also covered: Location Permits (moderate). See the full filming & production guide for Fort Collins for details.

Fence Regulations

Material Restrictions: Fort Collins bans barbed wire, other sharp-pointed fencing, and electrically charged fencing in every zone district under Section 3.8.11(B) of its Transitional Land Use Code. Chain-link fencing, slatted or not, cannot be used for screening.

Also covered: Fence Permit Requirements (limited), Neighbor Fence Rules (moderate), Retaining Walls (moderate). See the full fence regulations guide for Fort Collins for details.

Historic Preservation

Historic-Cultural Monuments: Fort Collins protects culturally significant sites and structures through landmark designation under City Code Chapter 14, not a separate 'cultural monument' label. A resource qualifies if it shows significance to the community's history, architecture, archeology, engineering or culture, plus enough physical integrity, per Sec.

Sidewalk & Pedestrian Rules

Encroachment Permits: Placing a building, fence, barrier or post inside Fort Collins-owned property, a street, sidewalk or public right-of-way requires a written encroachment permit under Sec. 23-81.

Also covered: Obstruction Rules (moderate), Sidewalk Repair (moderate). See the full sidewalk & pedestrian rules guide for Fort Collins for details.

Home Business

Customer Traffic Restrictions: Fort Collins limits home occupation client and customer visits to 8:00 a.m. to 6:00 p.m., Monday through Saturday, under Section 3.8.3(1) of the Transitional Land Use Code.

Also covered: Signage Rules (moderate), Home Daycare (moderate), Zoning & Home Occupation Permits (moderate). See the full home business guide for Fort Collins for details.

Right to Farm

Agricultural Zoning Protection: Fort Collins doesn't operate a right-to-farm nuisance shield; instead its Transitional Land Use Code treats agriculture inside city limits as a licensed zoning use. Section 3.8.31(C)(1) requires an 'urban agriculture license' from the City before most urban farming or livestock operations can begin, and the license lapses after 24 months of inactivity..

Tree Protection

Parkway Planting: Fort Collins makes it unlawful to plant, prune or remove any tree within a street's public right-of-way, including the parkway strip, without a written permit from the City Forester. The City Code permit is free, but the Forester inspects the site first and can attach conditions before work begins..

Also covered: Protected Tree Species (moderate). See the full tree protection guide for Fort Collins for details.

Zoning Overlays & Bonuses

Downtown Design Guide: New buildings in Fort Collins' Downtown District must follow prescriptive design standards set out in Transitional Land Use Code Division 4.16, and structures inside the locally designated Old Town Fort Collins Historic District must additionally comply with the separately adopted Old Town Historic District Design Standards and the U.S. Secretary of the Interior's historic preservation standards..

Also covered: Density Bonus Law (moderate). See the full zoning overlays & bonuses guide for Fort Collins for details.

Invasive Plant Rules

Prohibited Species: Fort Collins's nuisance code bans growing any of dozens of named noxious weed species regardless of height. Municipal Code § 20-41 defines 'Weed' with an exhaustive list, from Canada thistle and leafy spurge to purple loosestrife and marijuana, and § 20-42(h) makes it unlawful for an owner or occupant to permit any of them to grow on their property..

Homelessness & Encampment Rules

Encampment Sanitation: Fort Collins Municipal Code Section 17-181 makes it unlawful to camp or pitch a tent on any public property in the City, defining camping to include sleeping, dwelling temporarily, or conducting daily living activities in a place. Section 17-182 separately restricts camping on private property to short, permitted stays..

Also covered: Sit-Lie Rules (restrictive). See the full homelessness & encampment rules guide for Fort Collins for details.

Swimming Pools & Spas

Pool Permits: Fort Collins requires a permit before building, altering, or repairing any residential swimming pool, spa, or aquatic recreation facility. The city administers pool construction under the 2024 International Swimming Pool and Spa Code, locally amended so that permits, fees, inspections, and appeals all follow the same procedures set out in the city's adopted Building Code..

Mobility & Curb Rules

Shared E-Scooter Rules: Shared electric scooters cannot legally operate in Fort Collins unless the operator has signed a services contract with the City under Chapter 8, Article IV. Contracted fleets are exempt from separate outdoor vendor licensing but must still follow every Traffic Code parking rule for the devices..

Also covered: E-Bike Classes (moderate), Bike Lane Rules (moderate), Red-Light Cameras (moderate). See the full mobility & curb rules guide for Fort Collins for details.

Building Setbacks & Zoning

Structure Height Limits: In most Fort Collins residential zones, each residential story is capped at 12 feet 8 inches from average grade to the eave or wall-plate line under Section 3.8.17(A)(2)(d) of the Transitional Land Use Code. That per-story cap layers on top of each zone district's overall building-height maximum, such as the 28-foot cap for single-family homes in the Low Density Residential District..

Also covered: Setback Rules (moderate). See the full building setbacks & zoning guide for Fort Collins for details.

Outdoor Cooking

Smoker Rules: Fort Collins exempts barbecue grills and food smokers from its general limits on burning solid fuel outdoors under City Code § 20-1. While most outdoor solid-fuel fires are barred between 10:00 p.m.

Rental Property Rules

Rental Registration: Fort Collins requires every owner of a long-term residential rental dwelling unit to register it with the City before leasing it out, under Municipal Code § 5-283. Owner-occupied units and mobile home park rentals are exempt.

Also covered: Repairs & Habitability (moderate). See the full rental property rules guide for Fort Collins for details.

Cannabis Regulations

Buffer Zones: Fort Collins keeps medical marijuana stores away from places children and vulnerable residents gather. City Code § 15-475 bars a store location within 1,000 feet of any school, college, or public playground, and within 500 feet of a child care center, place of worship, park, pool, recreation facility, or halfway house, correctional, or treatment facility..

Also covered: Dispensary Zoning (restrictive). See the full cannabis regulations guide for Fort Collins for details.

Sign Regulations

Digital Billboards: Fort Collins bans billboards outright, digital or otherwise, along with all permanent off-premises signs, under Section 3.8.7.1(G)(2). A business can still add an electronic message center to its own on-site sign under Section 3.8.7.1(J)(2), but only one per street frontage, capped at 12mm pixel pitch and half the sign's area..

Also covered: Political Signs (moderate), Window Signs (moderate). See the full sign regulations guide for Fort Collins for details.

Water Use Rules

Recycled Water Rules: Fort Collins allows graywater reuse only for toilet flushing, and only on properties where both the water and wastewater providers have consented in writing, under a City permit issued through the Building Official. Using graywater without a permit is unlawful, and unpermitted graywater work can draw an immediate stop-work order plus additional penalties..

Also covered: Turf Replacement Rebates (moderate). See the full water use rules guide for Fort Collins for details.

Public Health Rules

Rodent Control: Fort Collins requires every structure and exterior property to stay free of rodent harborage under Section 302.5 of its locally amended Property Maintenance Code. Once rodents are found, the property owner must eliminate them by approved, non-toxic-to-humans means and then rodent-proof the site to stop reinfestation, with rental units cleared before a new tenant moves in..

Curfew Laws

Park Curfew: City parks, golf courses and designated trails in Fort Collins close to the public between 11:00 p.m. and 5:00 a.m.

Solar Energy

Panel Permits: Most solar installations in Fort Collins go through routine zoning compliance, but Section 3.8.32(F) of the Transitional Land Use Code pulls small- and medium-scale ground-mounted systems out of standard administrative review and requires Planning and Zoning Board approval whenever the system sits on an existing platted lot inside an established residential neighborhood..

Garage & Yard Sales

Frequency, Duration & Permits: Fort Collins caps garage and yard sales of your own used property at five weekend periods per calendar year before you're treated as a secondhand dealer who needs a City license. City Code Section 15-316 defines a weekend period as Friday through the following Monday, and the Transitional Land Use Code repeats the same five-weekend cap for home-based sales..

Hotels & Lodging

Transient Occupancy Tax: Fort Collins levies a 3% excise lodging tax on any lodging accommodation rented for less than 30 consecutive days, on top of city sales tax. Providers, including short-term rental hosts, must hold a free license from the Financial Officer and file monthly returns by the 20th..

What to Do With This Information

Whether you are renting, buying, or renovating in Fort Collins, knowing the local rules upfront saves headaches later. Dig into the individual ordinance pages linked above for the complete picture, including fines and exemptions.