Build an ADU in Freedom.
New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in Freedom — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.
7 districts
Each district's single-family setbacks — which your ADU follows. The primary residential district is highlighted.
Verified against the official Freedom zoning ordinance · source · 2026-07-06
- Front
- 50 ft
- Side
- 30 ft
- Rear
- 40 ft
- Max coverage
- —
- Min lot
- 43,560 sf (~1.00 ac)
Historic single-family Village core. Min lot 1.0 acre (43,560 sf); min road frontage 200 ft No numeric lot-coverage cap — coverage limited by yard/setback requirements (Definitions sec.16).
- Front
- 50 ft
- Side
- 30 ft
- Rear
- 40 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
Min lot 2 acres (87,120 sf); min road frontage 200 ft No numeric coverage cap — governed by yard requirements.
- Front
- 50 ft
- Side
- 30 ft
- Rear
- 40 ft
- Max coverage
- —
- Min lot
- 217,800 sf (~5.00 ac)
Remote/low-access rural lands. Min lot 5 acres (217,800 sf); road frontage 400 ft No numeric coverage cap — governed by yard requirements.
- Front
- 50 ft
- Side
- 30 ft
- Rear
- 40 ft
- Max coverage
- —
- Min lot
- 43,560 sf (~1.00 ac)
Min lot 1 acre (43,560 sf); road frontage 200 ft No numeric coverage cap — governed by yard requirements.
- Front
- —
- Side
- —
- Rear
- 75 ft
- Max coverage
- —
- Min lot
- —
Environmental overlay extending 300 ft inland from normal high-water level of lakes/ponds >10 acres and the Ossipee River. Min lot size, road frontage, front yard, and side yard are 'same as underlying district' (null here).
- Front
- —
- Side
- —
- Rear
- —
- Max coverage
- —
- Min lot
- 43,560 sf (~1.00 ac)
Overlay over parts of GR, R/LC and RR (RSA 674:59-61). Min lot 1 acre (43,560 sf) in all cases. Road frontage 100 ft in GR/R/LC portions, 200 ft in RR portion.
- Front
- —
- Side
- —
- Rear
- —
- Max coverage
- —
- Min lot
- 43,560 sf (~1.00 ac)
Overlay over R/LC and part of RR along Route 153 (RSA 674:59-61). Multi-family min lot: 1 acre (43,560 sf) for the first unit + 1/2 acre for each additional unit in the first building; 1/2 acre per unit for additional buildings on the same lot.
Form-based and downtown districts may use build-to lines instead of fixed setbacks (shown as “—”); verify your parcel's district before you build.
Freedom 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 Freedom (Carroll County). A detached ADU can be up to 950 sf.
In Freedom's VR zone, ADUs follow the single-family setbacks: 50 ft front, 30 ft side, and 40 ft rear. Freedom has 7 zoning districts in total — see the full table below. Confirm your exact zone with the town.

