RM-3 Zone in New Haven, CT
RM-3 zoning district rules in New Haven, CT. Permitted uses, setbacks, height limits, and lot coverage requirements.
The RM-3 zone in New Haven, CT is a residential district (Residential Mixed Density). Permits a range of residential density from single-family through multi-family, often applied in transition areas between low-density and higher-density zones. This zone requires a 5 ft front setback, 3 ft side setback, and 10 ft rear setback. Maximum building height is 60 feet (5 stories). Maximum lot coverage is 65%.
Common Permitted Uses
- Single-family homes
- Duplexes
- Small apartment buildings
Permits a range of residential density from single-family through multi-family, often applied in transition areas between low-density and higher-density zones.
Setback Requirements
| Setback Type | Requirement |
|---|---|
| Front Setback | 5 feet |
| Side Setback | 3 feet |
| Rear Setback | 10 feet |
New Haven Zoning Ordinance. RM-3 high density multifamily. Common near Yale campus and downtown.
Height Limits
- Max Height
- 60 feet
- Max Stories
- 5
New Haven Zoning Ordinance.
Lot Coverage
- Max Coverage
- 65%
New Haven Zoning Ordinance.
Parking Requirements
Single-family: 1 off-street parking space per single-family dwelling. Many older New Haven neighborhoods have minimal off-street parking. Multi-family: 0.5–1 space per unit. Reduced near Yale shuttle and CTtransit bus routes.
Source: New Haven Zoning Ordinance; Connecticut Public Act 21-29 (2021). Last verified April 6, 2026. View source