R-1A Zone in Chattanooga, TN
R-1A zoning district rules in Chattanooga, TN. Permitted uses, setbacks, height limits, and lot coverage requirements.
The R-1A zone in Chattanooga, TN 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 20 ft front setback, 6 ft side setback, and 20 ft rear setback. Maximum building height is 35 feet (2 stories). Maximum lot coverage is 45%.
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 | 20 feet |
| Side Setback | 6 feet |
| Rear Setback | 20 feet |
Chattanooga City Code — R-1A Urban Single-Family. Smaller lot sizes common in Midtown and North Chattanooga.
Height Limits
- Max Height
- 35 feet
- Max Stories
- 2
Chattanooga City Code.
Lot Coverage
- Max Coverage
- 45%
Chattanooga City Code — urban single-family, smaller lots.
Parking Requirements
Single-family: 2 spaces per single-family dwelling. Chattanooga is auto-dependent outside the downtown and Northshore areas. Multi-family: 1.5 spaces per unit. CARTA bus and the free electric shuttle in downtown reduce parking needs in the urban core.
Source: Chattanooga City Code — Accessory Dwelling Unit and Zoning provisions. Last verified April 6, 2026. View source