BUILD AN ADU IN NORTH HAMPTON.
New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in North Hampton — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.
ADU setbacks in North Hampton 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 North Hampton's front, side, and rear requirements — or just ask us.
North Hampton ADU FAQ
Yes. Under NH RSA 674:71-73 (HB 577), one accessory dwelling unit is allowed by-right on single-family lots statewide, including North Hampton (Rockingham County). A detached ADU can be up to 950 sf.
ADU setbacks in North Hampton match your lot's single-family setbacks for its zoning district. We pull your exact parcel and confirm North Hampton's requirements before locking your price.