ADU Contractors near Newton, MA
Walczak Design and Build LLC
25 South Main Street, Ipswich, MA 01938
30.7 miles
Walczak Design and Build LLC is a trusted ADU contractor on Massachusetts' North Shore, serving Ipswich, Newburyport, Beverly & more. They offer full-service ADU design, permitting, and construction with transparent planning and expert project... read more
River City Boston
9 Illinois Avenue, Somerville, MA 02145
7.5 miles
River City Construction is a Boston-based ADU contractor specializing in home additions, garage conversions, in-law suites & detached backyard cottages. They manage design, permitting & full construction under one roof.
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Top Notch Contracting
13 A Street, Burlington, MA 01803
12.2 miles
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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ADU Building Systems, LLC
Norwell, MA 02061
19.9 miles
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.read more
Platt Builders
109 Central Avenue, Ayer, MA 01432
24.3 miles
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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Auburndale Builders
151R Adams Street, Newton, MA 02458
1.7 miles
Auburndale Builders completed an 800 sq ft ADU in Newton, MA—a single-level, universally accessible in-law suite with full kitchen, bathroom, bedroom & living area, built in compliance with local zoning regulations.
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Mass Tiny Homes
800 Lexington Waltham Plaza #1012, Waltham, MA 02451
3.7 miles
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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Boston Deck Builders
Natick, MA
7.8 miles
Boston Deck Builders offers ADU construction in Greater Boston, including detached, attached, and interior units. Services cover planning, permitting, and build. Costs range from $150K–$400K+. Prefab options available. Compliant with Massachuset... read more
Turnkey ADUs
435 Lancaster ST, Leominster, MA 01453
30 miles
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 more
Think ADU
123 Main Street, Worcester, MA 01608
30.4 miles
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 v... read more
DiStefano Brothers Construction
433 Main Street, Wakefield, RI 02879
27.2 miles
DiStefano Brothers Construction builds ADUs in Rhode Island, including internal, attached, and detached units. They navigate RI regulations: by-right approval, size limits, occupancy rules, and long-term rental requirements for compliant accessory... read more
Walsh Builders
55 Lavender Lane, Blackstone, MA 02081
12.2 miles
Walsh Builders offers custom ADU construction in Blackstone, Milford, Wellesley, and nearby Massachusetts areas. Services include design, permitting, construction, and finishing for in-law suites, backyard cottages, and detached accessory dwelling... read more
Republic Building Contractors
30 Log Bridge Road, Middleton, MA 01949
20.2 miles
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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Heritage Modular Homes
16 Harrington Avenue, Shrewsbury, MA 01545
27.7 miles
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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House Improvement LLC
6 Garfield Avenue, Shrewsbury, MA 01545
24.6 miles
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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Other cities in Massachusetts
What you need to know
Building ADUs in Newton, MA: A City of Villages Approach
Newton, 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.
Newton ADU Regulations and Zoning Requirements
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:
- ADUs must comply with Newton's Zoning Ordinance Article 30, which governs accessory dwelling units specifically
- Maximum size is generally limited to 900 square feet or 30% of the primary dwelling's floor area, whichever is smaller
- Detached ADUs must adhere to setback requirements that vary by zoning district
- Off-street parking requirements may apply depending on the specific location within Newton
- Owner-occupancy requirements may be applicable in certain zoning districts
What to Expect When Hiring ADU Contractors in Newton
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.
Types of ADUs Popular in Newton, MA
The most common ADU types built by Newton accessory dwelling unit contractors include:
- Basement conversions — ideal for Newton's many older Colonial and Victorian-style homes
- Garage conversions — transforming detached garages into livable spaces
- Above-garage additions — maximizing vertical space on smaller lots
- Attached additions — expanding the existing footprint of the primary residence
Choosing the Right ADU Contractor in Newton, Massachusetts
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.