All Posts

Accessory Dwelling Units (ADUs) in Massachusetts: A New Era of Home Expansion What Just Changed — ADUs Now “By Right” in MA As of February 2, 2025 , a major shift took effect in Massachusetts. The Affordable Homes Act  (Chapter 150 of the Acts of 2024) now allows Accessory Dwelling Units (ADUs)  of up to 900 square feet  to be built by right  in single-family zoning districts across the state. Mass.gov + 2Mass.gov +2 This means homeowners no longer have to jump through compli