Accessory Structures in Fall River, MA (2026)
2 verified accessory structures rules for Fall River, Massachusetts, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Under Massachusetts law (Ch. 358 of Acts of 2024, effective Feb 2025), ADUs under 900 sq ft are allowed by right on single-family lots statewide. Fall River Mayor Coogan raised concerns about the law but it applies regardless. ADUs must have a separate entrance and cannot exceed half the principal dwelling's floor area or 900 sq ft.
Fall River ADU (Accessory Dwelling Unit) Rules
Some RestrictionsMass. Gen. Laws ch. 40A, Sec. 3 (Accessory Dwelling Units Allowed As-of-Right in Single-Family Zoning Districts)
No zoning ordinance or by-law shall prohibit, unreasonably restrict or require a special permit or other discretionary zoning approval for the use of land or structures for a single accessory dwelling unit, or the rental thereof, in a single-family residential zoning district; provided, that the use of land or structures for such accessory dwelling unit under this paragraph may be subject to re...
Shed & Carport Rules
Detached garages and sheds in Fall River must sit at least 20 feet from the street, 6 feet from any building, and 4 feet from side/rear lot lines, capped at 18 feet tall, with sheds limited to 200 square feet.
Fall River Garage & Shed Size Limits
Some RestrictionsFall River Code § 86-466, Private Garages and Sheds
Any private unattached garage or shed in any district shall be placed at least 20 feet from the street line, six feet from any building and four feet from the side and rear line of the lot. The maximum height of an unattached garage or shed shall not exceed 18 feet. The maximum size of an unattached garage foundation shall not exceed 750 square feet or 12% of the lot area, whichever is less. Th...
Looking for Bristol County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Fall River city rules.
Accessory Structures in Bristol County →