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Tucson Zoning & Land Use Guide

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Key Zoning Facts

Planning Department
City of Tucson Planning Department(520) 791-5550
Building Code Edition
2018 International Building Code (locally adopted)
ADUs Allowed
Yes
Primary District
R1-6 Single-Family Residential
Max Height
30 ft

Tucson Zoning Overview

Tucson, Arizonas second-largest city, administers zoning through the Planning and Development Services Department. Located in the Sonoran Desert and home to the University of Arizona, Tucsons land use balances urban development with desert conservation. The city has been a leader in sustainable development, adopting solar-ready building requirements and water harvesting ordinances. Tucsons zoning reflects a commitment to preserving the desert landscape while accommodating growth.

Key Zoning Districts

Tucson 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. Tucson 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 Tucson

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 — Pima 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

R1-6Single-Family Residential
Min Lot
6,000 sq ft
Max Height
30 ft
Front Setback
20 ft
Side Setback
5 ft
Rear Setback
20 ft
R-3Multi-Family Residential
Min Lot
10,000 sq ft
Max Height
40 ft
Front Setback
20 ft
Side Setback
10 ft
Rear Setback
20 ft
C-2General Commercial
Min Lot
None
Max Height
50 ft
Front Setback
0 ft
Side Setback
0 ft
Rear Setback
0 ft

ADU Rules in Tucson

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
Varies by jurisdiction
Permit Timeline
30-90 days

Permit Costs & Timelines

Permit Costs & Timelines

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

Check Tucson permit fees →

Official Sources

Frequently Asked Questions

Can I build an ADU in Tucson?
ADU regulations in Tucson are determined by local ordinance. Arizona has no statewide ADU law. Contact the local planning department to determine whether ADUs are permitted on your property and what requirements apply.
How do I find the zoning for my property in Tucson?
Contact the City of Tucson Planning Department or use the online zoning map to look up your property's zoning designation.
What zones allow multi-family housing in Tucson?
Multi-family housing is typically permitted in R-3 and higher residential districts, as well as in certain commercial and mixed-use zones. Check the local zoning code for specific district allowances.