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Fort Collins Zoning & Land Use Guide

Last updated: Verified:

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)
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

District CodeNameMin LotMax HeightFront SetbackSide SetbackRear SetbackFAR
RLResidential Low Density9,000 sq ft28 ft20 ft5 ft15 ft
LMNLow Density Mixed-Use Neighborhood4,500 sq ft40 ft15 ft5 ft15 ft
NCNeighborhood CommercialNone40 ft0 ft0 ft10 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

Official Sources

Frequently Asked Questions

Frequently Asked Questions

Can I build an ADU in Fort Collins?
Yes. Fort Collins permits ADUs in residential zones under the Land Use Code. The city has aligned its regulations with Colorado HB 24-1152, allowing ADUs by right with a building permit.
How do I find the zoning for my property in Fort Collins?
Use the City of Fort Collins GIS zoning map available on the city website, or contact Community Development & Neighborhood Services at (970) 416-2740.
What zones allow multi-family housing in Fort Collins?
Multi-family housing is permitted in Medium Density Mixed-Use Neighborhood (MMN), High Density Mixed-Use Neighborhood (HMN), and Downtown (D) zone districts.