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.
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The Backyard Homes line of ADUs are manufactured in over a dozen production facilities and available in 48 states. After being constructed in one of our modern plants the unit is delivered to the project site for the builder to install.
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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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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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Kinstruct Tiny Homes is a Pacific Northwest contractor specializing in tiny homes and ADUs, including detached ADUs, backyard cottages, granny flats, and in-law suites built to maximize space and meet local codes.
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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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Republic Building Contractors is a full-service ADU contractor in Massachusetts handling design, permits, and construction under one roof. They build detached, attached, and garage conversion ADUs, with projects averaging 6–9 months.
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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.
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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.
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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.
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Boston Construct is a full-service ADU contractor in Boston, MA, building basement conversions, garage conversions, detached backyard cottages, and in-law suites. They handle design, permitting, and construction for 1-3 family homeowners across Gr... read more
Heritage Modular Homes builds ADUs across MA, RI, CT & NH. With 40+ years experience, they offer custom ADU design, modular installation & in-law suites, backed by a 10-year warranty & free consultations.
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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.
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J. B. Cote Construction is an ADU contractor in Rhode Island & Massachusetts, specializing in detached ADUs, garage conversions, in-law suites & more. They manage design, permitting, zoning & energy-efficient construction from start to... read more
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 moreAyer, Massachusetts is a small but historically rich town in Middlesex County, known for its proximity to Fort Devens (now Devens) and its legacy as a railroad and mill community. With a population of around 8,000 residents and a growing demand for affordable housing, Accessory Dwelling Units (ADUs) have become an increasingly popular solution for homeowners looking to maximize their property's potential. Finding experienced ADU contractors in Ayer, MA is essential to navigating the town's specific zoning bylaws and building requirements.
Before breaking ground, homeowners in Ayer must understand the local regulatory landscape. Ayer falls under Massachusetts General Law Chapter 40A, and like many Massachusetts municipalities, it has been influenced by the state's push to expand ADU-friendly zoning. Ayer's Zoning Bylaws govern where and how ADUs can be constructed. Key considerations include:
Working with a licensed ADU contractor familiar with Ayer's building department can save significant time and money. Local contractors understand the town's permitting process, inspection schedules, and any nuances related to older housing stock — a common feature in Ayer given its 19th-century development history. A knowledgeable contractor will handle everything from architectural drawings and permit applications to foundation work, framing, electrical, and plumbing.
With Ayer's commuter rail access via the MBTA Fitchburg Line, the town attracts renters who work in Boston and surrounding areas. This makes ADUs a strong investment for generating rental income while increasing overall property value. Contact a qualified ADU contractor in Ayer, Massachusetts today to discuss your project, review local zoning requirements, and get a detailed estimate tailored to your property.