Build an ADU in Newfields.
New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in Newfields — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.
6 districts
Each district's single-family setbacks — which your ADU follows. The primary residential district is highlighted.
Verified against the official Newfields zoning ordinance · source · 2026-07-07
- Front
- 25 ft
- Side
- 20 ft
- Rear
- 20 ft
- Max coverage
- 25% building
- Min lot
- 87,120 sf (~2.00 ac)
Principal single-family district — per 3.3.2 the R-A District 'shall include all lands not heretofore or hereafter specifically mentioned' (i.e., most of town). Single-family: min lot 87,120 sf (2 ac), frontage 200 ft, height 35 ft, min floor area per dwelling unit 625 sf,…
- Front
- 25 ft
- Side
- 20 ft
- Rear
- 20 ft
- Max coverage
- 25% building
- Min lot
- 87,120 sf (~2.00 ac)
Village-center district around Main St/Summer St/Piscassic Rd (3.3.1; renamed R-V 3/14/2007, Schedule II still labels it 'R'). Single-family: min lot 87,120 sf (2 ac) with NO public service (conservative tier recorded) or 43,560 sf (1 ac) with public sewer — Schedule II…
- Front
- 60 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
Route 108 corridor (3.3.3). Both 'Commercial Use' and 'Residential Use' rows: min lot 87,120 sf, height 35 ft, front 60 ft, rear 25 ft, min floor area 625 sf. Frontage: Commercial Use 50 ft, Residential Use 200 ft (Schedule II preamble, adopted 3/14/2000).
- Front
- —
- Side
- —
- Rear
- —
- Max coverage
- —
- Min lot
- —
Dwellings prohibited in I (Schedule I, 3.4.6-3.4.8). The printed Schedule II row for 'I' is EMPTY — no dimensional values appear in it. This was verified against the PDF's drawn table grid: each row is separately bordered and the I row contains only its label; the value set…
- Front
- 60 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
LC = all lands in the Newfields Shoreland Protection District (3.3.5; Art IX 9.3.5). As printed, the 'LC (5)' Schedule II row carries: min lot 87,120 sf, height 40 ft, frontage 50 ft, front 60 / rear 25 / side 25, min floor area 625 sf, coverage '(8)' = subject to site plan…
- Front
- —
- Side
- —
- Rear
- —
- Max coverage
- 10% impervious
- Min lot
- 130,680 sf (~3.00 ac)
Overlay district (Art VIII) — setbacks follow the underlying zone (no setback values printed in the Aq rows; Schedule II note 7 points to Art VIII). Min lot 130,680 sf (3 ac) per dwelling unit for residential use, or per principal building for non-residential (8.4.1); within…
Form-based and downtown districts may use build-to lines instead of fixed setbacks (shown as “—”); verify your parcel's district before you build.
Newfields 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 Newfields (Rockingham County). A detached ADU can be up to 950 sf.
In Newfields's R-A zone, ADUs follow the single-family setbacks: 25 ft front, 20 ft side, and 20 ft rear. Newfields has 6 zoning districts in total — see the full table below. Confirm your exact zone with the town.