Build an ADU in Albany.
New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in Albany — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.
3 districts
Each district's single-family setbacks — which your ADU follows. The primary residential district is highlighted.
Verified against the official Albany zoning ordinance · source · 2026-07-07
- Front
- 25 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
Residential uses are permitted in ALL sections of town, including the commercial and light-industrial zones (III.A.1). Setback (townwide definition II.24 and III.A.2.d-e): every building min 25 ft from the lot line OR right-of-way line, WHICHEVER IS CLOSER (front), and min 25…
- Front
- 25 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
Located on both sides of Route 16 as shown on the 3/14/1995 zoning map (III.B.1); commercial use requires Site Plan Review and Planning Board approval. Setbacks: every building min 25 ft from the road line or right-of-way line, whichever is closer, and min 25 ft from rear and…
- Front
- 25 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
A defined area east of Route 16 near Drake Hill Road bounded by White Mountain National Forest land (III.C.1, added 1990). Min lot 2 acres with 200 contiguous ft of frontage on a state highway, town road, or new Selectmen-approved road built to Albany Street Standards (III.C.2).
Form-based and downtown districts may use build-to lines instead of fixed setbacks (shown as “—”); verify your parcel's district before you build.
Albany 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 Albany (Carroll County). A detached ADU can be up to 950 sf.
In Albany's R zone, ADUs follow the single-family setbacks: 25 ft front, 25 ft side, and 25 ft rear. Albany has 3 zoning districts in total — see the full table below. Confirm your exact zone with the town.