R-1B Zone in Riverside, CA
R-1B zoning district rules in Riverside, CA. Permitted uses, setbacks, height limits, and lot coverage requirements.
The R-1B zone in Riverside, CA is a residential district (Single-Family Residential). Permits one dwelling unit per lot. Typically the most restrictive residential zone. Designed to preserve the character of established single-family neighborhoods. This zone requires a 30 ft front setback, 10 ft side setback, and 30 ft rear setback. Maximum building height is 35 feet (2 stories). Maximum lot coverage is 25%.
Common Permitted Uses
- Single-family homes
Permits one dwelling unit per lot. Typically the most restrictive residential zone. Designed to preserve the character of established single-family neighborhoods.
Setback Requirements
| Setback Type | Requirement |
|---|---|
| Front Setback | 30 feet |
| Side Setback | 10 feet |
| Rear Setback | 30 feet |
Riverside Municipal Code Chapter 19.060 — R-1B Single-Family Residential. Estate residential. Minimum lot area 20,000 sqft.
Height Limits
- Max Height
- 35 feet
- Max Stories
- 2
Riverside Municipal Code Chapter 19.060 — R-1B Estate Residential.
Lot Coverage
- Max Coverage
- 25%
Riverside Municipal Code Chapter 19.060 — R-1B Estate Residential.
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