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 finish.
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Hawthorn Builders offers end-to-end ADU construction, managing consultation, design, permitting, and building. As a detached ADU and garage conversion contractor, they complete accessory dwelling units in ~90 days with minimal disruption.
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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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Post and Beam Barns (Country Carpenters, Hebron CT) offers handcrafted post and beam kits ideal for ADUs, backyard cottages & in-law suites. With 50+ years experience, models include The Sterling, Hemingway & Barrett. Timeline: 4–12 months.
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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.
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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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Salas Construction builds custom ADUs in Rhode Island, including attached, detached, and garage conversions. Projects range from $200K–$500K and take 6–12 months. Uses include rentals, guest suites, and multigenerational living.
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Rockhouse Construction builds ADUs across Rhode Island, including Providence, Warwick, and Cranston. Options include detached, attached, garage, and basement conversions. Costs range from $60,000 to $480,000+, varying by size and finish level.
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Baystate Group Builders Inc offers residential remodeling services including basement finishing, bathroom renovations, deck construction, carpentry, and painting. Led by Victor, the team is known for professionalism, clear communication, and quality craftsmanship.
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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 guidance.
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True Measure Construction, a Westborough, MA general contractor, specializes in full-service ADU construction—covering permits, site prep, and finishing—plus kitchen and bathroom remodeling for a complete home improvement solution.
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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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ADU Building Systems LLC builds factory & site-built ADUs in Massachusetts, including detached, attached & converted units. Offering 10-year structural warranties, cost savings up to 50%, and full-service design to turnkey construction.
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Turnkey ADUs is a Leominster, MA ADU contractor offering modular, prefabricated accessory dwelling units across New England. Models range from $119K–$249,900. Massachusetts' 2024 Affordable Homes Act now allows ADUs up to 900 sq. ft. by right.
read moreBlackstone, Massachusetts is a small town in Worcester County with a rich industrial heritage rooted in its historic textile mills and the Blackstone Canal. With a population of around 9,000 residents, the town features a mix of older New England-style homes and more modern residential properties. This unique housing stock presents both opportunities and challenges for ADU contractors in Blackstone, MA. Whether you're looking to convert an existing structure or build a new accessory dwelling unit, working with experienced local contractors is essential to navigating the town's specific requirements.
Before beginning any ADU project in Blackstone, it's critical to understand the local zoning bylaws. Blackstone falls under the jurisdiction of its own Zoning Board of Appeals and Planning Board. Massachusetts state law, particularly Chapter 40A, provides a framework for ADUs, and many municipalities including Blackstone have been updating their bylaws in response to the state's push for increased housing production. Key considerations for ADU construction in Blackstone include:
Given the character of Blackstone's housing stock, ADU contractors in the area frequently work on the following types of projects:
Hiring a licensed and experienced ADU contractor familiar with Blackstone, Massachusetts is one of the most important decisions you'll make. Local contractors understand the town's permitting process, have established relationships with the Blackstone Building Department, and are familiar with the soil conditions and infrastructure challenges common in this part of Worcester County. They can also help you navigate Massachusetts building codes, energy efficiency requirements under the Massachusetts Stretch Energy Code, and any historic preservation considerations that may apply to older properties near the town center.
Adding an ADU to your Blackstone property can increase its value, provide rental income, or create space for multigenerational living. Work with a qualified ADU contractor in Blackstone, MA who understands local regulations and can guide your project from permitting through final inspection efficiently and professionally.