13 Gables Inc

64 Millbury Road, Worcester, MA 01540 33.8 miles

13 Gables Inc, a licensed MA general contractor with 38+ years experience, builds custom ADUs including detached units, garage conversions & in-law suites. Massachusetts' 2025 Affordable Homes Act now allows ADUs by right in single-family zones.

Regulus Construction

36 West Street, Milford, MA 01757 25.8 miles

Licensed Eco-Friendly

Regulus Construction is a licensed ADU contractor serving MetroWest Massachusetts. They build detached backyard cottages, garage conversions, and in-law suites, managing design, permitting, and construction across 40+ towns.

River City Boston

9 Illinois Avenue, Somerville, MA 02145 19.7 miles

River City Construction is a Boston-based ADU contractor specializing in home additions, garage conversions, in-law suites & detached backyard cottages. They manage design, permitting & full construction under one roof.

Beantown Builders, Inc.

181 North Montello Street, Brockton, MA 02302 36.2 miles

Licensed 10 years in business

Beantown Builders, Inc. is a Greater Boston ADU contractor offering full-service design, permitting, and construction. Projects include detached ADUs, garage conversions, and in-law suites, with budgets from $15,000 to $1M+.

T&J Builders

919 U.S. 1 Bypass, Portsmouth, NH 03801 49.9 miles

T&J Builders specializes in custom ADUs in Dover NH, Portsmouth NH, NH Seacoast, Lakes Region & Southern Maine. Services include garage conversions, in-law suites & detached cottages for rental income, multigenerational living & added property value.

Boston ADU Builder

807 Massachusetts Avenue, Boston, MA 02118 21.1 miles

Eco-Friendly

Boston ADUs add rental income ($1,500–$3,000/month), boost property value, and support multi-generational living. Boston ADU Builder offers detached, attached, garage, and basement conversions, handling design, permits, and construction in 8–12 months.

Alcantara Construction

407R Mystic Avenue, Medford, MA 02155 18.5 miles

Alcantara Construction is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, in-law suites, and granny flats. They guide homeowners through planning, permitting, and building accessory dwelling units efficiently.

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What you need to know

Searching for top Garage Conversion ADU Contractors in Acton, Massachusetts? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).

Working with a qualified Garage Conversion ADU Contractor in Acton ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Garage Conversion professionals can guide you through every step.

Acton homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Garage Conversion experts featured here bring local expertise and proven experience to help make your project a success.

Browse our listings to find the best Garage Conversion ADU Contractors in Acton, Massachusetts, and get started today.

Garage Conversion near Acton, MA