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