RS-1-4 Zone in San Diego, CA
RS-1-4 zoning district rules in San Diego, CA. Permitted uses, setbacks, height limits, and lot coverage requirements.
The RS-1-4 zone in San Diego, CA 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 15 ft front setback, 4 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 | 15 feet |
| Side Setback | 4 feet |
| Rear Setback | 15 feet |
San Diego LDC Section 131.0444. RS-1-4 = Residential Single Unit, 4,000 sqft minimum lot. Standard residential setbacks. Specific community plan requirements may increase setbacks.
Height Limits
- Max Height
- 30 feet
- Max Stories
- 2
San Diego LDC. Standard residential height limit 30 ft for RS zones. Some community plans have lower limits. Hillside areas may have view protection ordinance restrictions.
Lot Coverage
- Max Coverage
- 50%
San Diego LDC Section 131.0444. Maximum 50% lot coverage for structures in RS-1-4 zone. Coverage includes primary dwelling, ADU, garages, and attached structures.
Parking Requirements
Single-family: 2 covered spaces per single-family dwelling in RS zones. Garage required for most single-family zones. Per SD LDC Section 142.0530. Multi-family: 1.5 spaces per unit for studios/1BR; 2 spaces per unit for 2BR+ in most RM zones. Reduced requirements near transit. LDC Section 142.0530. Complete Communities Housing Plan areas have reduced or eliminated minimums.
Source: San Diego Land Development Code Section 141.0302; California Government Code Section 65852.2. Last verified April 5, 2026. View source