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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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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Ethics Home Building and Remodeling in Bristol, CT specializes in home additions, in-law suites, and ADU construction. Services include garage conversions, second-story expansions, and code-compliant accessory dwelling units tailored to homeowner needs.
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Yeoman Design Build specializes in sustainable Accessory Dwelling Units (ADUs) in Massachusetts. From detached ADUs to granny flats and in-law suites, they offer holistic design, careful materials selection, and full project management for property owners.
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With years of experience in ADU design and construction, we deliver high-quality results tailored to Connecticut homeowners. We understand Hartford and Connecticut’s ADU regulations, making your project smooth and hassle-free from permits to completion.
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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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Penfield & Sons, Inc. is a family-owned contractor in Greenfield, MA, serving Western Massachusetts since 1970. They offer roofing, insulated vinyl siding, and replacement windows, delivering quality residential renovation services.
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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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Home & Hearth Remodeling offers ADU construction in Massachusetts. Since the 2024 Affordable Homes Act, homeowners can add one ADU by right in single-family zones. Services include detached ADUs, in-law suites, and garage conversions.
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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.
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B&B Tiny Houses in Adams, MA offers modular ADUs starting at $99,000. Customizable, code-compliant units serve as in-law suites or rental spaces. Delivered across the US East region, with bulk discounts for 5+ orders.
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ADUs & in-law suites add living space & value to CT homes. ADUs are self-contained units; in-law suites attach to the main house. Costs range $100K–$300K+. Learn key differences in privacy, zoning & budget.
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Core Remodeling Services has built ADUs and in-law suites across Central Massachusetts since 2012. They handle zoning, permits, design, and construction. Projects range from $150K–$400K+, take 6–8 months, and are backed by a 5-year warranty.
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Think ADU is a California ADU contractor specializing in design, permitting, and construction of accessory dwelling units. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites for rental, family, or property value goals.
read moreMillis, Massachusetts is a small residential town in Norfolk County with a population of roughly 8,000 residents. Known for its quiet, suburban character and proximity to larger cities like Framingham and Providence, Millis has seen growing interest in Accessory Dwelling Units (ADUs) as homeowners look to maximize property value, accommodate multigenerational families, or generate rental income. Working with experienced ADU contractors in Millis, MA is essential to navigating the town's specific zoning bylaws and building requirements.
Like many Massachusetts towns, Millis follows zoning regulations that govern where and how ADUs can be constructed. Under Massachusetts General Law Chapter 40A, municipalities are required to allow ADUs by right in single-family zoning districts, a rule that has significantly impacted how towns like Millis approach accessory dwelling unit approvals. Local ADU contractors must be familiar with Millis's specific bylaws, including:
Given the predominantly single-family residential landscape of Millis, the most common ADU types built by local contractors include attached ADUs, detached backyard cottages, and basement conversions. The town's older housing stock, with many homes dating back several decades, means that contractors frequently work on renovation-based ADU projects rather than new construction. This requires expertise in updating electrical systems, plumbing, and insulation to meet current code standards.
Selecting a qualified ADU contractor in Millis means looking for professionals who are licensed in Massachusetts, carry proper liability insurance, and have direct experience working with the Millis Building Department. The right contractor will handle the full process, including:
With housing costs in Massachusetts continuing to rise and Millis offering a desirable location within commuting distance of Boston via Route 109 and nearby commuter rail access, ADUs represent a smart investment. Whether you're looking to house aging parents, create a home office, or earn rental income, a professionally built ADU adds significant value to your Millis property. Partnering with a knowledgeable ADU contractor familiar with Millis zoning laws ensures your project is completed efficiently, legally, and to the highest standard.