Platt Builders

109 Central Avenue, Ayer, MA 01432 8 miles

Platt Builders is a home remodeling company offering kitchen, bathroom, and whole-home renovations. They focus on custom design, quality craftsmanship, and clear communication, managing every project from planning to completion.

Top Notch Contracting

13 A Street, Burlington, MA 01803 10.3 miles

Eco-Friendly

Top Notch Contracting is a Massachusetts ADU builder specializing in detached backyard cottages, garage conversions, in-law suites, and multigenerational spaces. They manage permitting, construction, and completion across Boston and MA.

Woodland Builders

195 Hanover Street, Hanover, MA 02339 41.2 miles

Luxury Builds

Woodland Builders is a full-service ADU builder serving South Shore, MA, including Hingham, Plymouth & Scituate. They manage design through construction, ensuring quality, compliance, and streamlined project management for accessory dwelling u... read more

13 Gables Inc

64 Millbury Road, Worcester, MA 01540 33.8 miles

Licensed 38 years in business

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 zone... read more

Atlantic Property Development

444 Broadway Unit B #1069, Saugus, MA 01906 20.7 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.

NorthEast Design + Build

2949 Hartford Avenue, Johnston, RI 02919 47.5 miles

10 years in business

NorthEast Design + Build offers ADU and in-law apartment construction across Massachusetts & Rhode Island. Services include detached backyard cottages, in-law suites, and attached additions. Serving Milford, Providence, Warwick & more.

Horizon ADU

77 King Street, Boston, MA 02122 24.4 miles

Trusted Boston ADU builders specializing in attached, detached, and two-story accessory dwelling units. Stick-built construction ensures code compliance and lasting value. Services include design, permitting, and full project management for multig... read more

Luxe & Co Accessory Dwellings

60 Thoreau Street, Concord, MA 01742 5.5 miles

25 years in business Luxury Builds

Luxe & Co. Accessory Dwellings is a Massachusetts ADU builder offering full-service design, construction, and permitting. Founded by Hope Beckman and Sage Conti, they specialize in high-end ADUs including in-law suites, carriage houses, and ho... read more

Spring Home Improvement

16 North Washington Street, Attleboro, MA 02760 38.1 miles

Licensed 13 years in business

Spring Home Improvement offers expert ADU contractor services in Norfolk, MA. Family-owned since 2012, they handle design, permits, and construction with 10+ years of experience, transparent pricing, and a one-year labor warranty.

ADU-PRO Corp.

121 Orchard Street, Millis, MA 02054 25 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

New England Outdoor

37 Oakland Avenue, Methuen, MA 01844 18.3 miles

55 years in business Prefab Specialist

New England Outdoor, a family-owned business in Methuen, MA, builds custom sheds, garages, pavilions, and ADUs across New England. Specializing in ADU construction, garage conversions, and in-law suites, they handle design, permits, and zoning gui... read more

House Improvement LLC

6 Garfield Avenue, Shrewsbury, MA 01545 20.5 miles

House Improvement LLC builds fully insulated ADUs with electricity and climate control, ideal for home offices or studios. They also construct storage sheds, carports, gazebos, and pergolas for diverse residential outdoor needs.

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 & ad... read more

Priced Early LLC

20 Hampden Drive, South Easton, MA 02375 37.1 miles

Licensed 4 years in business Eco-Friendly

Upgrading your home with professional renovations can dramatically enhance both its functionality and appeal, creating spaces tailored to meet your unique lifestyle. Whether you’re aiming to increase energy efficiency, improve layout flow, or re... read more

Bradford Construction Management

145 South Main Street, Haverhill, MA 01835 25 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

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What you need to know

Searching for top Detached ADU 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 Detached ADU 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 Detached ADU 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 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 Acton, Massachusetts, and get started today.

Detached ADU near Acton, MA