R-6 Zone in San Antonio, TX
R-6 zoning district rules in San Antonio, TX. Permitted uses, setbacks, height limits, and lot coverage requirements.
The R-6 zone in San Antonio, TX 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 10 ft front setback, 5 ft side setback, and 5 ft rear setback. Maximum building height is 40 feet (3 stories). Maximum lot coverage is 55%.
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 | 10 feet |
| Side Setback | 5 feet |
| Rear Setback | 5 feet |
San Antonio UDC R-6 (Single-Family Residential, high density). Reduced front setback. Allows duplexes by right in some versions of R-6.
Height Limits
- Max Height
- 40 feet
- Max Stories
- 3
San Antonio UDC R-6 — 40 ft, up to 3 stories allowed in higher-density single-family zone.
Lot Coverage
- Max Coverage
- 55%
San Antonio UDC R-6 — 55% maximum lot coverage for higher-density single-family.
Parking Requirements
Single-family: 2 spaces per single-family dwelling. Garage or paved off-street parking required. Multi-family: 1–2 spaces per unit depending on bedroom count. RM-4: 1.5 spaces per unit. RM-5: 1.25 spaces per unit.
Source: San Antonio Unified Development Code (UDC) Section 35-311 — Secondary Dwelling Units; library.municode.com/tx/san_antonio. Last verified April 6, 2026. View source