Fairhaven, MA
Fairhaven, MA Accessory Dwelling Unit (ADU) Rules
City Acceptance Rating: 4/10 (10 is most accepting)
Last updated: 9.19.2024
Image source: Fairhaven Visitors Center Facebook
What You Need To Know
Currently not in compliance with the Massachusetts Affordable Homes Act.
ADUs are only allowed by converting an existing space within a single-family dwelling.
Type of ADU Permit Required
ADUs require a special permit in Fairhaven.
ADU Rules
Dwelling conversions shall not be allowed unless the lot meets the minimum lot size in § 198-18 or 22,500 square feet, whichever is greater.
Units created through dwelling conversions shall not be less than 1,000 square feet, not including areas of the basement, attic or garage.
The applicant shall illustrate to the Planning Board that the requirements of the State Building Code are met.
Site requirements.
No expansion to the existing structure.
Parking shall be as provided for in § 198-27B(1).
No portion of the basement, attic or garage may be used for dwelling purposes.
Use of an existing on-site septic system to service proposed units shall be permitted only upon approval of the Board of Health.