R-3 Zone in Huntsville, AL
R-3 zoning district rules in Huntsville, AL. Permitted uses, setbacks, height limits, and lot coverage requirements.
The R-3 zone in Huntsville, AL 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 10 ft rear setback. Maximum building height is 45 feet (3 stories). Maximum lot coverage is 60%.
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 | 10 feet |
Huntsville Zoning Ordinance — R-3 Medium Density Residential.
Height Limits
- Max Height
- 45 feet
- Max Stories
- 3
Huntsville Zoning Ordinance.
Lot Coverage
- Max Coverage
- 60%
Huntsville Zoning Ordinance.
Parking Requirements
Single-family: 2 spaces per single-family dwelling. Huntsville is auto-dependent — defense/aerospace commuters primarily drive. Multi-family: 1.5–2 spaces per unit. Huntsville's limited transit means parking is essential throughout the city.
Source: Huntsville Zoning Ordinance — Accessory Dwelling Unit provisions. Last verified April 6, 2026. View source