Accessory Structures in Hudson, NH (2026)
3 verified accessory structures rules for Hudson, New Hampshire, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
In the Town of Hudson, New Hampshire, an accessory dwelling unit has to be built inside or attached to the single-family home it serves: Section 334-73.3 bars a detached ADU outright and bars manufactured housing, RVs or trailers from serving as one. Hudson also caps ADU size between 350 and 750 square feet and limits it to two bedrooms.
Accessory Dwelling Unit Rules, Hudson NH
Significant RestrictionsHudson Town Code § 334-73.3B, G, H, I
B. An ADU is not allowed as a freestanding detached STRUCTURE or as part of any STRUCTURE which is detached from the principal dwelling. MANUFACTURED HOUSING, RECREATIONAL VEHICLES or trailers may not be erected or added to the principal dwelling as an ADU. ... ... G. A minimum of four off-street paved parking spaces shall be provided to serve the combined needs of the principal DWELLING UNIT a...
ADU Owner Occupancy
In the Town of Hudson, New Hampshire, an accessory dwelling unit is allowed only inside a single-family home, and the owner of record must live in either the principal unit or the ADU. The Zoning Administrator can demand proof of residency at any time.
Hudson ADU Owner-Occupancy Rule
Some RestrictionsHudson Town Code § 334-73.3C
§ 334-73.3. Provisions. ... An ADU shall be permitted in zoning DISTRICTS that permit single-family dwellings, and only in accordance with the following provisions: ... ... C. Either the principal DWELLING UNIT or the ADU must be occupied by the owner of record of the principal dwelling. Upon request of the Zoning Administrator or other official with the authority to enforce this ordinance, the...
Shed & Carport Rules
In the Town of Hudson, New Hampshire, a detached shed needs a building permit and a fee tied to its size: $40 for up to 200 square feet, $60 for 201 to 499 square feet, and $60 plus 10 cents per square foot over 500 square feet for anything larger. Hudson's Zoning Ordinance also requires that accessory storage sheds sit to the rear of the main building.
Shed Permit Rules in Hudson, NH
Some RestrictionsHudson Town Code § 205-2C; § 334-27.1C
C. Accessory residential (detached garages and sheds): (1) Zero to 200 square feet: $40. (2) Two hundred one to 499 square feet: $60. (3) Five hundred square feet and over: $60, plus $0.10/square foot over 500 square feet. ... ... C. Accessory storage structures (sheds) shall be placed to the rear of the main building.