Brittivia Homes & Construction offers expert ADU construction in Middlesex, Worcester & Essex counties, MA. With 20+ years experience, they handle permits, garage conversions & in-law suites. Costs range $150–$300/sq ft.
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Steveworks LLC completed a whole house remodel in Newton, redesigning the floor plan, replacing windows, siding, and roofing, and upgrading insulation. They also built an accessible ADU above a garage, featuring a full kitchen, curbless shower, and chair lift for aging-in-place living.
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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.
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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.
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Amex Construction is a Hanover-based design-build ADU contractor serving Massachusetts' South Shore. They manage detached ADUs, barn conversions, and basement suites, handling design, permitting, septic upgrades, and construction under one contract.
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BlackDog Builders offers full-service ADU design/build solutions, handling design, permitting, and construction under one roof. Specializing in detached ADUs, backyard cottages, in-law suites, and granny flats, they back projects with a 3-year warranty.
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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.
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Planning an ADU in Massachusetts? Costs range from $250–$500+ per sq ft. State law now allows ADUs by right on single-family lots. Learn about permits, the Stretch Energy Code, and working with a qualified ADU contractor in Greater Boston.
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Massachusetts ADUs are now legal by right statewide after 2024 legislation. MBA Builders offers full-service ADU construction across Greater Boston, with structured preconstruction planning and builds starting around $450/sq ft.
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Mass Tiny Homes helps you build the perfect ADU for your needs, whether it be for aging parents or rental income, with an easy, streamlined process from start to finish.
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Turkel Design offers custom-designed accessory dwelling units (ADUs) using a prefab process. Highlights include expert cabinetry, smart storage, and high-quality finishes, ensuring ADUs feel purposeful and cohesive with the main residence.
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Post Woodworking builds custom Accessory Dwelling Units (ADUs), including detached ADUs and in-law suites. They offer flexible involvement, from full construction management to building only, ensuring seamless integration with your existing home.
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Millbrook Construction Corp. in Boston specializes in ADU construction, handling design, permits, and builds. Services include detached ADUs, garage conversions, and in-law suites for rental income, family housing, or added property value.
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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.
read moreActon, Massachusetts is a charming suburban town in Middlesex County with a rich colonial history and a strong sense of community. Known for its highly rated public schools, preserved open spaces, and proximity to Route 2 and I-495, Acton has become an increasingly desirable place to live. As housing demand grows across the Greater Boston region, many Acton homeowners are turning to ADU contractors in Acton, MA to add accessory dwelling units to their properties — creating additional living space for family members or generating rental income.
Before beginning any ADU project in Acton, it is essential to understand the local zoning bylaws enforced by the Town of Acton's Planning Department. Massachusetts passed the Affordable Homes Act and has long encouraged municipalities to allow ADUs by right. Acton's zoning regulations generally permit accessory dwelling units in single-family residential zones, but homeowners and their contractors must navigate specific requirements, including:
Experienced ADU contractors serving Acton, MA are familiar with the variety of ADU configurations that work well in this community. Given Acton's mix of colonial-style homes, ranch houses, and newer construction, the most popular ADU types include:
Working with a licensed ADU contractor in Acton, Massachusetts who understands local building codes, soil conditions, and the town's permitting process is critical to a successful project. Acton's older housing stock may present challenges such as outdated electrical systems, older foundations, or limited lot sizes that require creative design solutions. A knowledgeable local contractor will coordinate with the Acton Building Department, manage inspections, and ensure your ADU meets all Massachusetts State Building Code requirements.
Adding an ADU to your Acton property is a smart investment in both lifestyle and long-term property value. Whether you're looking to house aging parents, create a home office, or generate rental income, partnering with a qualified ADU contractor in Acton, MA will help you navigate the process efficiently and bring your vision to life.