Accessory Structures in Southampton Village, NY (2026)
5 verified accessory structures rules for Southampton Village, New York, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
In the Village of Southampton, an accessory apartment needs a special permit from the Board of Zoning Appeals and a certificate of occupancy from the Department of Building before anyone creates, alters or occupies it. The lot must hold at least 7,500 square feet and measure at least 75 feet wide, and the unit sits inside a single-family dwelling.
Accessory Apartment Rules in the Village of Southampton
Significant RestrictionsSouthampton Village Code §§ 116-51, 116-55, 116-56
No person shall create, construct, alter or occupy an accessory apartment or allow or maintain an accessory apartment without obtaining an accessory apartment special permit from the Board of Zoning Appeals and a certificate of occupancy for said use from the Department of Building. Floor area located more than 50% below grade shall satisfy all applicable requirements of the New York State Unif...
ADU Owner Occupancy
An accessory apartment permit in the Village of Southampton stays valid only while an owner of the lot lives in the principal dwelling unit. Tenants are limited to the accessory apartment itself, and the permit terminates if the applicant dies, transfers title or stops using the home as a principal residence.
Accessory Apartment Owner Occupancy in Southampton Village
Significant RestrictionsSouthampton Village Code §§ 116-52, 116-61
No accessory apartment permit shall be granted nor shall any said special permit remain valid unless an owner of the lot upon which the accessory apartment is located resides within the principal dwelling unit. Tenants shall be limited in occupancy to the accessory apartment unit. ... All applications must be supplied by owner(s) of the property, and the applicant shall be required to file a no...
ADU Rental Restrictions
In the Village of Southampton, an accessory apartment cannot sit in an accessory structure, and the tenancy inside it is capped at two bedrooms and one occupant per 150 feet of gross floor area. Tenant misconduct is grounds for the Board of Appeals to revoke the owner's permit after a hearing.
Accessory Apartment Rental Limits in Southampton Village
Significant RestrictionsSouthampton Village Code §§ 116-54, 116-57, 116-63
An accessory apartment shall not be located within an accessory structure. ... There shall be permitted a maximum of two bedrooms for each accessory apartment. Occupancy of the accessory apartment shall not exceed one per 150 feet of gross floor area. The gross floor area of the accessory apartment shall be at least 400 square feet and shall not exceed 50% or 800 square feet, whichever is less,...
Shed & Carport Rules
In the Village of Southampton, a detached accessory building such as a shed or garage must sit not less than five feet from the main building and stay at or under 16 feet in height. Area is capped at 520 square feet in districts requiring 20,000 or less square feet of lot area, and 800 square feet above that. It cannot go in a front yard or a required side yard.
Accessory Building and Shed Limits in Southampton Village
Some RestrictionsSouthampton Village Code § 116-9A(1) and (3)
(a) Accessory buildings, including garages, if detached from a main building or if connected only by an open breezeway-type structure, shall be not less than five feet from the main building. (b) The square-foot area of an accessory building shall not exceed the following limitations: [1] In districts requiring 20,000 or less square feet of lot area, an accessory building shall not exceed 520 s...
Tiny Homes
The Village of Southampton Code has no tiny home category. Under § 116-9A(1), an accessory building is capped at 520 or 800 square feet and 16 feet in height, with no heating, no cooking facilities and no sleeping use. A small house built as a principal dwelling must meet the minimum floor areas in § 116-17, starting at 800 square feet.
Tiny Home and Accessory Dwelling Rules in Southampton Village, NY
Heavy RestrictionsSouthampton Village Code § 116-9A(1)
(b) The square-foot area of an accessory building shall not exceed the following limitations: [1] In districts requiring 20,000 or less square feet of lot area, an accessory building shall not exceed 520 square feet in area; and [2] In districts requiring more than 20,000 square feet of lot area, an accessory building shall not exceed 800 square feet in area. ... (d) Such accessory buildings sh...
Looking for Suffolk County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Southampton Village city rules.
Accessory Structures in Suffolk County →