BUILD AN ADU IN GOFFSTOWN.
New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in Goffstown — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.
ADU setbacks in Goffstown 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 Goffstown's front, side, and rear requirements — or just ask us.
Goffstown 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 Goffstown (Hillsborough County). A detached ADU can be up to 950 sf.
ADU setbacks in Goffstown match your lot's single-family setbacks for its zoning district. We pull your exact parcel and confirm Goffstown's requirements before locking your price.