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