ADU Requirements in Provincetown, MA
Barnstable County • Updated for 2024 MA ADU Law
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About ADUs in Provincetown, Massachusetts
Provincetown is located in Barnstable County, Massachusetts. Under the 2024 Affordable Homes Act, homeowners in Provincetown can now build accessory dwelling units (ADUs) up to 900 square feet by-right, meaning no special permit is required for compliant projects.
An ADU in Provincetown can be a detached backyard cottage, an attached addition, or a conversion of existing space like a basement or garage. These units are perfect for housing aging parents, adult children, or generating rental income.