Bradford Construction Management

145 South Main Street, Haverhill, MA 01835 28.7 miles

Bradford Construction Management brings commercial-grade project management to every ADU we build across the North Shore. That means daily photo documentation so you always know what's happening on site, transparent pricing so there are no budget ... read more

Salisbury Construction Worcester

453 Chandler Street, Worcester, MA 01602 35.3 miles

Salisbury Construction Worcester builds ADUs across Worcester County, Central Mass & MetroWest. Services include detached units, garage conversions, basement conversions & home additions using a streamlined design-build process.

Ruhan General Contracting LLC

344 John L Dietsch Boulevard, Attleboro, MA 02763 27.3 miles

Ruhan General Contracting LLC builds home additions and ADUs in North Attleboro, MA. Services include room additions, in-law suites, second-story additions, and detached ADUs, covering permits, design, and finish carpentry throughout Massachusetts... read more

G.M. Roth Design Remodeling

12 Murphy Drive, Nashua, NH 03062 30.8 miles

Licensed 39 years in business

G.M. Roth Design Remodeling offers full-service ADU construction in southern NH and northeastern MA. With 40+ years of experience, they handle zoning, design, permitting, and build. CAPS-certified, serving Nashua, Manchester, Chelmsford & more... read more

Atlantic Property Development

444 Broadway Unit B #1069, Saugus, MA 01906 9.9 miles

40 years in business Eco-Friendly Free Consultation

ADUs are now legal statewide in Massachusetts. Atlantic Property Development builds custom Accessory Dwelling Units on the North Shore, offering design, permitting, and construction services for detached, attached, and garage conversion ADUs.

NE Tiny Homes

969 Waterman Avenue, East Providence, RI 02914 39.1 miles

Luxury Builds

NE Tiny Homes is a full-service ADU builder across the US, offering custom tiny homes, garage conversions, and ADUs from 352 sq ft. Transparent pricing, permit handling, and move-in-ready builds for rental income or in-law suites.

ADU-PRO Corp.

121 Orchard Street, Millis, MA 02054 18.3 miles

Licensed 30 years in business Eco-Friendly

ADU-PRO Corp is a Massachusetts ADU specialist offering full-service construction, permitting, and project management. Led by licensed experts, they help homeowners build granny flats, in-law suites, and backyard cottages up to 900 sq ft. read more

Bethoney Builders LLC

56 Depot Street, Duxbury, MA 02331 33.7 miles

Bethoney Builders LLC is a South Shore residential contractor specializing in ADU construction, home additions, custom builds, and renovations. Services include in-law suites, garage conversions, finished basements, and structural repairs.

Other cities in Massachusetts

What you need to know

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

Working with a qualified Detached ADU ADU Contractor in Watertown 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 Detached ADU professionals can guide you through every step.

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

Browse our listings to find the best Detached ADU ADU Contractors in Watertown, Massachusetts, and get started today.

Detached ADU near Watertown, MA