Flagstaff Zoning & Land Use Guide
Key Zoning Facts
Flagstaff Zoning Overview
Flagstaff is a mountain city at 7,000 feet elevation in northern Arizona, home to Northern Arizona University. Unlike the desert cities of southern Arizona, Flagstaffs zoning must address mountain terrain, ponderosa pine forests, heavy snowfall, and wildfire risk. The citys Regional Plan emphasizes sustainable growth within a constrained geographic area surrounded by national forest land, promoting infill development and transit-oriented design.
Key Zoning Districts
Flagstaff uses a district-based zoning system with residential, commercial, and industrial classifications. Arizona municipalities adopt their own building codes and zoning ordinances, as the state does not mandate a statewide building code. Development standards address desert-specific considerations including heat mitigation, water conservation, and flood hazard management.
ADU Regulations
Arizona does not have a statewide ADU law, so accessory dwelling unit regulations are determined locally. Flagstaff addresses ADUs through its municipal zoning code. Contact the local planning department for current requirements regarding size, setbacks, and permitting procedures.
Development Process
Building permits are processed through the local development services department. Projects must comply with locally adopted building codes and the zoning ordinance. Arizona's Proposition 207 property rights protections influence how local governments approach new land use regulations.
Regulatory Layers That Apply in Flagstaff
Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.
Federal
- FEMA Flood Zones: Applicable
- View FEMA Flood Map
State — Arizona
- Building Code: No mandatory statewide code (local adoption)
County — Coconino 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
- Min Lot
- 6,000 sq ft
- Max Height
- 30 ft
- Front Setback
- 20 ft
- Side Setback
- 5 ft
- Rear Setback
- 20 ft
- Min Lot
- 10,000 sq ft
- Max Height
- 40 ft
- Front Setback
- 20 ft
- Side Setback
- 10 ft
- Rear Setback
- 20 ft
- Min Lot
- None
- Max Height
- 50 ft
- Front Setback
- 0 ft
- Side Setback
- 0 ft
- Rear Setback
- 0 ft
ADU Rules in Flagstaff
- Max Size
- 1,000 sq ft
- Max Height
- 25 ft
- Rear Setback
- 5 ft
- Side Setback
- 3 ft
- Parking
- 1 off-street space required
- Owner Occupancy
- Varies by jurisdiction
- Permit Timeline
- 30-90 days
Permit Costs & Timelines
Permit Costs & Timelines
Specific permit fee schedules for Flagstaff are available from the local planning department. Fees vary based on project type, scope, and valuation.
Check Flagstaff permit fees →