ADU Construction in Milton MA — In-Law Suites, Garage Conversions & More
Boston Smart Plastering builds accessory dwelling units throughout Milton, MA. Milton is one of Greater Boston's most desirable inner suburbs — an affluent community bordering Boston and Quincy, known for its historic homes, top-rated schools, and established neighborhoods. Boston Smart Plastering works extensively in Milton on high-end renovation projects, plaster restoration, and whole-home remodels. Whether you want a basement apartment, garage conversion, attached in-law suite, or detached backyard cottage, we manage every phase from permits to final finishes.
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ADUs are one of the smartest investments Milton homeowners can make. Milton's housing stock is among the oldest and most architecturally significant in Greater Boston — substantial Victorians, Colonials, and Tudors in the Cunningham Park and Milton Hill neighborhoods. These older homes frequently require traditional plaster restoration, historically sensitive exterior work, and high-end interior renovations. Under Massachusetts ADU law, most single-family properties in Norfolk County can now add an ADU by-right. Boston Smart Plastering handles the full build — design, permitting, construction, and Certificate of Occupancy. Milton borders Boston to the south — just 7 miles from Downtown — making it one of our closest and most frequently served suburban communities.
Frequently asked questions
How much does it cost to build an ADU in Milton MA?
ADU costs in Milton vary by type. A basement conversion typically runs $80,000–$150,000. A detached cottage can cost $180,000–$350,000+. We provide a detailed estimate after visiting your Milton property.
Do I need a permit for an ADU in Milton MA?
Yes — all ADU construction requires building permits. Under the 2024 Massachusetts ADU law, most Milton properties can add an ADU by-right. We handle all permit applications for Norfolk County on your behalf.