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Phoenix Zoning & Land Use Guide

Last updated: Verified:

Key Zoning Facts

Building Code Edition
2018 International Building Code (locally adopted)
ADUs Allowed
Yes
Primary District
R1-6 Single-Family Residential
Max Height
30 ft

Regulatory Layers That Apply in Phoenix

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

Federal

State — Arizona

  • Building Code: No mandatory statewide code (local adoption)
View Arizona zoning overview

County — Maricopa 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
R1-6Single-Family Residential6,000 sq ft30 ft20 ft5 ft20 ft
R-3Multi-Family Residential10,000 sq ft40 ft20 ft10 ft20 ft
C-2Intermediate CommercialNone56 ft0 ft0 ft0 ft

ADU Rules in Phoenix

ADUs:Allowed
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
Required for either primary or ADU
Permit Timeline
30-90 days
Full ADU rules for Phoenix

Official Sources

Frequently Asked Questions

Frequently Asked Questions

Can I build an ADU in Phoenix?
Yes. Phoenix adopted ADU-permitting ordinances allowing accessory dwelling units in single-family residential zones. Both attached and detached ADUs are permitted subject to size, height, and setback requirements.
How do I find the zoning for my property in Phoenix?
Use the City of Phoenix online zoning map at phoenix.gov/pdd or contact the Planning and Development Department at (602) 262-7811.
What zones allow multi-family housing in Phoenix?
Multi-family housing is permitted in R-3, R-4, R-5 residential districts and in many commercial zones throughout the city.