Build an ADU in Raymond.
New Hampshire's HB 577 lets you add one accessory dwelling unit on your single-family lot in Raymond — by-right. A detached ADU can be up to 950 sf, and ADU setbacks match your lot's single-family setbacks.
9 districts
Each district's single-family setbacks — which your ADU follows. The primary residential district is highlighted.
Verified against the official Raymond zoning ordinance · source · 2026-07-06
- Front
- 25 ft
- Side
- 10 ft
- Rear
- 10 ft
- Max coverage
- —
- Min lot
- 40,000 sf (~0.92 ac)
Values shown are for lots serviced by Raymond town water. Lots NOT serviced by town water require 87,120 sf (2 ac) with 30/30/30 setbacks and 200 ft frontage (min frontage 100 ft with water). Per Note 15.2.11, Zone A/B lots that become serviced by town water are eligible for…
- Front
- 30 ft
- Side
- 30 ft
- Rear
- 30 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
Catch-all district: all Raymond land not in Zone A, C, D, E, or F. Min lot 2 ac / 200 ft frontage. Note 15.2.11: eligible for 50% lot-area reduction if serviced by town water.
- Front
- 15 ft
- Side
- 15 ft
- Rear
- 15 ft
- Max coverage
- —
- Min lot
- 21,780 sf (~0.50 ac)
Min lot 0.5 ac / 50 ft frontage.
- Front
- 15 ft
- Side
- 15 ft
- Rear
- 15 ft
- Max coverage
- —
- Min lot
- 21,780 sf (~0.50 ac)
Min lot 0.5 ac / 50 ft frontage.
- Front
- 25 ft
- Side
- 25 ft
- Rear
- 25 ft
- Max coverage
- —
- Min lot
- 65,340 sf (~1.50 ac)
Setbacks/lot vary by use: non-residential 21,780 sf (0.5 ac) with 15/15/15; single-family & two-family residential 65,340 sf (1.5 ac) with 25/25/25 (shown here); multi-family 21,780 sf base per Notes 15.2.12-13 (density per Sec 6.5).
- Front
- 15 ft
- Side
- 15 ft
- Rear
- 15 ft
- Max coverage
- —
- Min lot
- 21,780 sf (~0.50 ac)
Min lot 0.5 ac / 50 ft frontage.
- Front
- 50 ft
- Side
- 50 ft
- Rear
- 50 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
Min lot 2 ac / 200 ft frontage.
- Front
- 50 ft
- Side
- 50 ft
- Rear
- 50 ft
- Max coverage
- —
- Min lot
- —
Table lists lot size, acreage, and frontage as 'NA' (form/context-based, governed by the Historic District Commission); only the 50/50/50 setbacks are dimensioned. Also functions as an overlay per Art 5.1.
- Front
- 15 ft
- Side
- 15 ft
- Rear
- 15 ft
- Max coverage
- —
- Min lot
- 87,120 sf (~2.00 ac)
Min lot 2 ac / 200 ft frontage; setbacks follow the underlying zone. Wetland setback: 25 ft per the 2022 table, but the codified version (amended through 3-12-2024) raises the general wetland setback to 75 ft, with a 25 ft exception for lots holding an approved structure with…
Form-based and downtown districts may use build-to lines instead of fixed setbacks (shown as “—”); verify your parcel's district before you build.
Raymond 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 Raymond (Rockingham County). A detached ADU can be up to 950 sf.
In Raymond's A zone, ADUs follow the single-family setbacks: 25 ft front, 10 ft side, and 10 ft rear. Raymond has 9 zoning districts in total — see the full table below. Confirm your exact zone with the town.