RS-4 Zone in Mesa, AZ
RS-4 zoning district rules in Mesa, AZ. Permitted uses, setbacks, height limits, and lot coverage requirements.
The RS-4 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 20 ft front setback, 5 ft side setback, and 15 ft rear setback. Maximum building height is 30 feet (2 stories). Maximum lot coverage is 50%.
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 | 20 feet |
| Side Setback | 5 feet |
| Rear Setback | 15 feet |
Mesa Zoning Ordinance. RS-4 (4,000 sqft min lot) — denser single-family, common near transit corridors.
Height Limits
- Max Height
- 30 feet
- Max Stories
- 2
Mesa Zoning Ordinance.
Lot Coverage
- Max Coverage
- 50%
Mesa Zoning Ordinance. Denser 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