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Fort Collins Zoning & Land Use Guide

Editor-verified· 2026-05-24
Last updated: Verified:

Notable local initiatives in Fort Collins

Named ordinances, statutes, and reforms specific to Fort Collins — each linked to an official source you can verify directly.

  1. Fort Collins Land Use Code rewrite — Phase 1 (Ordinance 056, 2024)(2024)

    On May 7, 2024 the Fort Collins City Council adopted Phase 1 of a comprehensive Land Use Code rewrite (Ordinance No. 056, 2024), which took effect May 17, 2024. Phase 1 focused on housing-related updates — broadening permitted housing types in residential districts and modernizing dimensional standards. A separate Transitional Land Use Code remains available on Municode for projects submitted before May 17, 2024.

    Source · library.municode.com
  2. U+2 occupancy rule repealed (Ordinance 081, 2024)(2024)

    On July 2, 2024 the Fort Collins City Council adopted Ordinance No. 081, 2024 repealing the long-standing 'U+2' occupancy rule that limited dwellings to no more than three unrelated occupants. The change removed a Fort Collins-specific occupancy limit that had been in place for nearly two decades and was widely cited as a barrier to student and workforce housing near CSU.

    Source · fcgov.com
  3. HB24-1152 statewide ADU mandate — Fort Collins is a Subject Jurisdiction(2024)

    Colorado HB24-1152 (signed May 13, 2024) requires Subject Jurisdictions — including Fort Collins — to allow one ADU per single-unit detached residential lot through an administrative approval process, eliminate owner-occupancy mandates, and remove additional parking requirements. The compliance deadline was June 30, 2025. The Colorado Department of Local Affairs maintains the official Subject Jurisdiction list.

    Source · leg.colorado.gov
  4. HB24-1313 Transit-Oriented Communities designation(2024)

    Colorado HB24-1313 (Housing in Transit-Oriented Communities) requires qualifying jurisdictions along the Front Range to designate Transit Centers that allow a minimum density of 15 dwelling units per acre near high-frequency transit. Fort Collins qualifies based on population and the MAX BRT line on the Mason Corridor, and must submit a Housing Opportunity Goal report by December 31, 2026.

    Source · leg.colorado.gov

Key Zoning Facts

Building Code Edition
2021 IBC with Fort Collins Amendments
ADUs Allowed
Yes
Primary District
RL Residential Low Density
Max Height
28 ft

Regulatory Layers That Apply in Fort Collins

Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.

Federal

State — Colorado

  • Building Code: 2021 IBC (locally adopted)
  • State ADU Override: Yes (Colorado HB24-1152 (2024) requires Subject Jurisdictions (including Fort Collins) to allow one ADU per single-unit detached residential lot; compliance deadline June 30, 2025.)
View Colorado zoning overview

County — Larimer County

  • Role: Property records, tax assessment, unincorporated area planning

City / Municipal

The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.

Overlay Districts

No overlay districts identified.

Private Restrictions

  • HOA / CC&Rs common: Yes
  • Check HOA CC&Rs for additional restrictions.

Primary Zoning Districts

RLResidential Low Density
Min Lot
9,000 sq ft
Max Height
28 ft
Front Setback
20 ft
Side Setback
5 ft
Rear Setback
15 ft
LMNLow Density Mixed-Use Neighborhood
Min Lot
4,500 sq ft
Max Height
40 ft
Front Setback
15 ft
Side Setback
5 ft
Rear Setback
15 ft
NCNeighborhood Commercial
Min Lot
None
Max Height
40 ft
Front Setback
0 ft
Side Setback
0 ft
Rear Setback
10 ft

ADU Rules in Fort Collins

ADUs:Allowed
Max Size
800 sq ft
Max Height
20 ft
Rear Setback
5 ft
Side Setback
5 ft
Parking
No additional parking required
Owner Occupancy
Not required
Permit Timeline
4-6 weeks
Full ADU rules for Fort Collins

Permit Costs & Timelines

Permit Costs & Timelines

Specific permit fee schedules for Fort Collins are available from the local planning department. Fees vary based on project type, scope, and valuation.

Check Fort Collins permit fees →

Official Sources

City-specific