FiveTen Construction & Design is a Massachusetts ADU contractor offering design, permitting, and construction services. They build detached, attached, basement, and garage ADUs, ensuring full compliance with MA building codes and zoning regulations.
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NE Tiny Homes is a full-service ADU builder across the US, offering custom tiny homes, garage conversions, and ADUs from 352 sq ft. Transparent pricing, permit handling, and move-in-ready builds for rental income or in-law suites.
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DCCS Construction helps Boston homeowners navigate the ADU program, converting basements, attics, and existing spaces into independent rental units. Serving 1-3 family homes, they handle both architectural design and construction for full ADU project management.
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KBR Remodeling & General Contractors builds ADUs in Rhode Island, including garage conversions, basement ADUs, in-law suites & detached guest houses. Family-owned since 1993, woman & veteran-owned, licensed & insured with 50 years experience.
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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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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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BuildX is a premier ADU builder in Southeastern Massachusetts with 40+ years of experience and $450M+ in projects. Offering custom stick-built ADUs, a 100-day build guarantee, and transparent pricing starting from $254,540.
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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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Toensing Construction builds ADUs across Rhode Island, including detached units, in-law suites, garage conversions & basement apartments. Licensed & insured, they handle permitting, design & construction for multigenerational & flexible living spaces.
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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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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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An Accessory Dwelling Unit (ADU) is a self-contained living space on a residential property. Massachusetts law now makes ADU construction easier. Aureli Construction offers full-service ADU building, from zoning research to completed construction.
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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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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 surprises, and a clear schedule with real milestones.
read moreSomerville, Massachusetts is one of the most densely populated cities in the entire United States, making Accessory Dwelling Units (ADUs) an increasingly important housing solution for homeowners looking to maximize their property's potential. With its vibrant neighborhoods like Davis Square, Union Square, and Inman Square, Somerville presents unique opportunities and challenges for ADU contractors. Whether you're looking to add a basement apartment, a garage conversion, or a detached backyard cottage, working with experienced ADU contractors in Somerville, MA is essential to navigating the city's specific zoning and building requirements.
Somerville operates under its SomerVision 2040 comprehensive plan, which actively encourages increased housing density. Massachusetts state law, particularly Chapter 40A, was amended to require municipalities to allow ADUs by right in single-family zoning districts. Somerville has aligned its local ordinances accordingly, but there are still important local rules that ADU contractors must follow:
Given the city's urban character and older housing stock, ADU contractors in Somerville most frequently work on the following project types:
Hiring a local ADU contractor familiar with Somerville's building department and zoning board can save you significant time and money. Local contractors understand the nuances of working with the city's older infrastructure, including aging electrical systems, limited lot access, and historic preservation considerations in certain neighborhoods. They also have established relationships with local inspectors and are up to date on the latest changes to Somerville's ADU ordinances.
Investing in an ADU in Somerville can provide rental income, multigenerational living options, or increased property value in one of Greater Boston's most sought-after communities. Contact a qualified Somerville ADU contractor today to explore your options.