ADU Requirements in Northfield, MA
Franklin County • Updated for 2024 MA ADU Law
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About ADUs in Northfield, Massachusetts
Northfield is located in Franklin County, Massachusetts. Under the 2024 Affordable Homes Act, homeowners in Northfield 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 Northfield 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.