Building Setbacks & Zoning in Pima County, AZ (2026)

3 county-level rules, plus city-specific rules for 5 cities in Pima County, Arizona.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Pima County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Setback Rules

Pima County Zoning Code Title 18 sets setbacks by district. Rural GR-1 zones require 50-foot front, 25-foot side, and 40-foot rear setbacks. Variances need Board of Adjustment approval.

Pima County Building Setback Rules

Heavy Restrictions

Full ordinance details →Official source ↗

Structure Height Limits

Pima County limits residential height to 30 feet (most zones) or 35 feet in rural zones. Airport Environs Zone overlay near TUS and Davis-Monthan AFB adds FAA Part 77 limits.

Pima County Structure Height Limits

Some Restrictions

Full ordinance details →Official source ↗

Lot Coverage Limits

Pima County limits lot coverage by zoning district: GR-1 rural at 25%, suburban ranch at 30%, and urban-adjacent residential zones up to 40%. Includes all impervious surfaces.