R-3 Zone in Arlington, TX
R-3 zoning district rules in Arlington, TX. Permitted uses, setbacks, height limits, and lot coverage requirements.
The R-3 zone in Arlington, TX 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 20 ft front setback, 5 ft side setback, and 10 ft rear setback. Maximum building height is 40 feet (3 stories). Maximum lot coverage is 50%.
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 | 20 feet |
| Side Setback | 5 feet |
| Rear Setback | 10 feet |
Arlington UDC. Two-family and small multi-family.
Height Limits
- Max Height
- 40 feet
- Max Stories
- 3
Arlington UDC.
Lot Coverage
- Max Coverage
- 50%
Arlington UDC.
Parking Requirements
Single-family: 2 parking spaces per dwelling. Garage is standard in Arlington residential construction. Multi-family: 1.5 spaces per unit in most multifamily zones.
Source: Arlington Unified Development Code (UDC). Last verified April 6, 2026. View source