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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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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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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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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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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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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G.M. Roth Design Remodeling offers full-service ADU construction in southern NH and northeastern MA. With 40+ years of experience, they handle zoning, design, permitting, and build. CAPS-certified, serving Nashua, Manchester, Chelmsford & more.
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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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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.
read moreNewton, Massachusetts, famously known as the "Garden City," is uniquely structured as a collection of 13 distinct villages, including Chestnut Hill, Newton Centre, and West Newton. This village-based layout significantly influences how ADU contractors in Newton, MA approach accessory dwelling unit projects, as neighborhood character, lot sizes, and architectural styles vary considerably across these villages. With Newton's strong housing demand driven by its proximity to Boston and top-rated public schools, accessory dwelling units in Newton have become an increasingly popular solution for homeowners looking to add value and flexibility to their properties.
Experienced ADU contractors in Newton, Massachusetts must navigate the city's specific zoning bylaws, which have evolved in response to Massachusetts state law, particularly Chapter 40A. Newton permits both attached and detached ADUs, commonly referred to as in-law apartments or accessory apartments. Key regulations that qualified Newton ADU contractors must address include:
Professional Newton ADU builders will guide homeowners through the full permitting process, which includes submitting applications to the Newton Inspectional Services Department and potentially appearing before the Newton Zoning Board of Appeals if variances are required. Given Newton's older housing stock — with many homes dating back to the early 20th century — skilled contractors must also be prepared to handle challenges such as outdated electrical systems, older plumbing infrastructure, and historic architectural details that require careful preservation.
The most common ADU types built by Newton accessory dwelling unit contractors include:
When selecting an ADU contractor in Newton, MA, homeowners should prioritize professionals with demonstrated experience in local permitting, familiarity with Newton's specific zoning bylaws, and a portfolio of completed projects within the city. Look for contractors who are licensed in Massachusetts, carry proper insurance, and have established relationships with local inspectors. A knowledgeable Newton ADU specialist can help maximize your investment while ensuring full compliance with all local and state regulations.