New Haven Zoning & Land Use Guide
Last updated: Verified:
Key Zoning Facts
Regulatory Layers That Apply in New Haven
Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.
Federal
- FEMA Flood Zones: Applicable
- View FEMA Flood Map
State — Connecticut
- Building Code: 2021 CT State Building Code
- State ADU Override: Yes (PA 21-29)
County — New Haven County
- Role: Property records, tax assessment, unincorporated area planning
City / Municipal
The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.
Overlay Districts
No overlay districts identified.
Private Restrictions
- HOA / CC&Rs common: Yes
- Check HOA CC&Rs for additional restrictions.
Primary Zoning Districts
| District Code | Name | Min Lot | Max Height | Front Setback | Side Setback | Rear Setback | FAR |
|---|---|---|---|---|---|---|---|
| RS-1 | Single-Family Residential | 7,500 sq ft | 35 ft | 20 ft | 6 ft | 25 ft | — |
| RM-2 | Multi-Family Medium Density | 5,000 sq ft | 50 ft | 15 ft | 8 ft | 20 ft | — |
| BA | General Business | None | 60 ft | 0 ft | 0 ft | 10 ft | — |
ADU Rules in New Haven
ADUs:Allowed
- Max Size
- 1,000 sq ft
- Max Height
- 25 ft
- Rear Setback
- 5 ft
- Side Setback
- 5 ft
- Parking
- 1 additional space maximum
- Owner Occupancy
- Not required per PA 21-29
- Permit Timeline
- 4-8 weeks
Official Sources
Frequently Asked Questions
Frequently Asked Questions
Can I build an ADU in New Haven?
Yes. Under Connecticut PA 21-29, New Haven must allow ADUs as of right on lots with single-family homes. No special permit or public hearing is required.
How do I find the zoning for my property in New Haven?
Visit the New Haven City Plan Department website or use the city's online GIS mapping system. You can also call (203) 946-6379.
What zones allow multi-family housing in New Haven?
Multi-family housing is permitted in RM-1, RM-2, and BD (Downtown Business) zones, as well as mixed-use districts.
Disclaimer: The information on this website is provided for general informational purposes only and does not constitute legal, financial, or professional advice. Zoning codes and building regulations change frequently. Always verify current requirements with your local planning department and building authority before making any decisions.