SR Zone in Tucson, AZ
SR zoning district rules in Tucson, AZ. Permitted uses, setbacks, height limits, and lot coverage requirements.
The SR zone in Tucson, AZ is a residential district. This zone requires a 50 ft front setback, 20 ft side setback, and 50 ft rear setback. Maximum building height is 30 feet (2 stories). Maximum lot coverage is 20%.
Setback Requirements
| Setback Type | Requirement |
|---|---|
| Front Setback | 50 feet |
| Side Setback | 20 feet |
| Rear Setback | 50 feet |
Tucson UDC. Suburban Ranch zone — large lots in Rincon Valley and outer Tucson areas adjacent to National Forest.
Height Limits
- Max Height
- 30 feet
- Max Stories
- 2
Tucson UDC. Suburban Ranch — compatible with surrounding desert landscape.
Lot Coverage
- Max Coverage
- 20%
Tucson UDC. Suburban Ranch zone — large lots with low coverage to preserve open desert character.
Parking Requirements
Single-family: 2 covered parking spaces required per single-family dwelling. Covered parking is strongly encouraged in Tucson's extreme heat to protect vehicles. Multi-family: 1.5–2 spaces per unit. Sun Tran bus routes reduce requirements near transit corridors.
Source: Tucson Unified Development Code Section 6.7.4 — Accessory Dwelling Units; Arizona HB 2297 (Laws 2024, Chapter 204). Last verified April 6, 2026. View source