BELMONT, NEW HAMPSHIRE · BELKNAP COUNTY

BUILD AN ADU IN BELMONT.

✓ Allowed by-right · RSA 674:71-73

New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in Belmont — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.

Belmont setback reference

ADU setbacks in Belmont follow your lot's single-family setbacks for its zoning district. Scan your address in the visualizer and we'll pull your exact parcel and confirm Belmont's front, side, and rear requirements — or just ask us.

Confirm your zoning

Belmont zoning ordinance ↗NH GRANIT GIS (parcels & zoning) ↗

📍 SEE AN ADU ON YOUR BELMONT LOT →GET A QUOTE

Belmont ADU FAQ

Can I build an ADU in Belmont, NH?

Yes. Under NH RSA 674:71-73 (HB 577), one accessory dwelling unit is allowed by-right on single-family lots statewide, including Belmont (Belknap County). A detached ADU can be up to 950 sf.

What are the ADU setbacks in Belmont?

ADU setbacks in Belmont match your lot's single-family setbacks for its zoning district. We pull your exact parcel and confirm Belmont's requirements before locking your price.