Build an ADU in Shelburne.
New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in Shelburne — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.
4 districts
Each district's single-family setbacks — which your ADU follows. The primary residential district is highlighted.
Verified against the official Shelburne zoning ordinance · source · 2026-07-07
- Front
- 25 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 43,560 sf (~1.00 ac)
Town's principal residential district: purpose is to provide for agricultural uses and residential development while conserving rural character (Sec 1(2)(A)). Setbacks (Sec 5-A #9): minimum 25 ft from the nearest existing edge of any public or private right-of-way, AND 25 ft…
- Front
- 25 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 43,560 sf (~1.00 ac)
Mixed residential and commercial district along Route 2 (Sec 1(3)(A)). Same town-wide dimensional standard as all districts (Sec 5-A): 25 ft setback from ROW edge and from all lot lines (15 ft side/rear only for lots < 2 acres), 1-acre (43,560 sf) minimum lot, 200 ft…
- Front
- 25 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 653,400 sf (~15.00 ac)
Large-tract forest-preservation district in the remote sections of town (Sec 1(1)(A)). Minimum lot size is 15 ACRES = 653,400 sf here (Sec 5-A #7; confirmed in Appendix F solar table), the sole per-district departure from the 1-acre town-wide floor.
- Front
- 25 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 43,560 sf (~1.00 ac)
Light-industrial and low-impact commercial district (Sec 1(4)(A)). Same town-wide dimensional standard: 25 ft setback from ROW edge and all lot lines (15 ft side/rear for lots < 2 acres), 1-acre (43,560 sf) minimum lot, 200 ft frontage, 35 ft max height.
Form-based and downtown districts may use build-to lines instead of fixed setbacks (shown as “—”); verify your parcel's district before you build.
Shelburne 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 Shelburne (Coös County). A detached ADU can be up to 950 sf.
In Shelburne's River Valley zone, ADUs follow the single-family setbacks: 25 ft front, 25 ft side, and 25 ft rear. Shelburne has 4 zoning districts in total — see the full table below. Confirm your exact zone with the town.