Build an ADU in Wolfeboro.
New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in Wolfeboro — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.
5 districts
Each district's single-family setbacks — which your ADU follows. The primary residential district is highlighted.
Verified against the official Wolfeboro zoning ordinance · source · 2026-07-07
- Front
- 30 ft
- Side
- 20 ft
- Rear
- 25 ft
- Max coverage
- 30% lot
- Min lot
- 43,560 sf (~1.00 ac)
Coverage 40% ≤0.25 ac. +21,780 sf/addl unit. Frontage 150 ft.
- Front
- 30 ft
- Side
- 10 ft
- Rear
- 10 ft
- Max coverage
- 30% lot
- Min lot
- 21,780 sf (~0.50 ac)
Front tiered 20–30 (max recorded). Coverage 40% for ≤0.25 ac.
- Front
- 30 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- 30% lot
- Min lot
- 87,200 sf (~2.00 ac)
Ordinance literally prints 87,200 (not 87,120=2 ac) — preserved as printed.
- Front
- 30 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- 30% lot
- Min lot
- 43,560 sf (~1.00 ac)
Side tiered by shore frontage (<75=10 … ≥150=25, recorded 25). Shoreline setback 50 ft.
- Front
- 30 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 217,800 sf (~5.00 ac)
5 acres; frontage 400 ft. No coverage figure surfaced.
Form-based and downtown districts may use build-to lines instead of fixed setbacks (shown as “—”); verify your parcel's district before you build.
Wolfeboro 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 Wolfeboro (Carroll County). A detached ADU can be up to 950 sf.
In Wolfeboro's R zone, ADUs follow the single-family setbacks: 30 ft front, 20 ft side, and 25 ft rear. Wolfeboro has 5 zoning districts in total — see the full table below. Confirm your exact zone with the town.