R-3 Zone in Riverside, CA
R-3 zoning district rules in Riverside, CA. Permitted uses, setbacks, height limits, and lot coverage requirements.
The R-3 zone in Riverside, CA is a residential district (Multi-Family Low Density). Permits multi-family housing at low density, typically up to 4 units. Allows triplexes and fourplexes in addition to single-family and duplex uses. This zone requires a 15 ft front setback, 5 ft side setback, and 15 ft rear setback. Maximum building height is 40 feet (3 stories). Maximum lot coverage is 55%.
Common Permitted Uses
- Single-family homes
- Duplexes
- Triplexes
- Fourplexes
Permits multi-family housing at low density, typically up to 4 units. Allows triplexes and fourplexes in addition to single-family and duplex uses.
Setback Requirements
| Setback Type | Requirement |
|---|---|
| Front Setback | 15 feet |
| Side Setback | 5 feet |
| Rear Setback | 15 feet |
Riverside Municipal Code Chapter 19.060 — R-3 Multiple-Family Residential. Higher density multifamily.
Height Limits
- Max Height
- 40 feet
- Max Stories
- 3
Riverside Municipal Code Chapter 19.060 — R-3 Multiple-Family.
Lot Coverage
- Max Coverage
- 55%
Riverside Municipal Code Chapter 19.060 — R-3 Multiple-Family.
Parking Requirements
Single-family: 2 covered spaces per dwelling unit in most residential zones. Garage or carport required. Riverside Municipal Code Chapter 19.060. Multi-family: 1.5–2 spaces per unit in R-2 and R-3 zones. Reduced near RTA transit and Metrolink stations.
Source: Riverside Municipal Code Chapter 19.060 (Zoning); California Government Code §§66314–66333 (Stats. 2024 Ch. 7 §20). Last verified April 6, 2026. View source