RS-9 Zone in Mesa, AZ
RS-9 zoning district rules in Mesa, AZ. Permitted uses, setbacks, height limits, and lot coverage requirements.
The RS-9 zone in Mesa, AZ is a residential district (Suburban Residential). Lower-density residential with larger setbacks and lot sizes than standard residential zones. Common in outer suburban areas and early-generation subdivisions. This zone requires a 25 ft front setback, 10 ft side setback, and 30 ft rear setback. Maximum building height is 30 feet (2 stories). Maximum lot coverage is 35%.
Common Permitted Uses
- Single-family homes
Lower-density residential with larger setbacks and lot sizes than standard residential zones. Common in outer suburban areas and early-generation subdivisions.
Setback Requirements
| Setback Type | Requirement |
|---|---|
| Front Setback | 25 feet |
| Side Setback | 10 feet |
| Rear Setback | 30 feet |
Mesa Zoning Ordinance. RS-9 (9,000 sqft min lot) — established residential areas in central Mesa with larger lots.
Height Limits
- Max Height
- 30 feet
- Max Stories
- 2
Mesa Zoning Ordinance. Standard residential height.
Lot Coverage
- Max Coverage
- 35%
Mesa Zoning Ordinance. Large-lot single-family.
Parking Requirements
Single-family: 2 covered spaces per single-family dwelling. Covered parking mandatory given extreme summer heat. Multi-family: 1.5–2 spaces per unit. Reduced near Valley Metro Light Rail stations along Main Street.
Source: Mesa City Code Chapter 11, Section 11-3-3 — Accessory Dwelling Units; Arizona HB 2720 (Laws 2024). Last verified April 6, 2026. View source