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 management.
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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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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 value goals.
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Salas Construction
60 Wheaton Avenue, Warwick, RI 27596
43.7 miles
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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ADU Of Massachusetts
56 Depot St, Duxbury, MA 02332
34.2 miles
ADU Of Massachusetts is a full-service ADU builder specializing in design, permitting, and construction of accessory dwelling units. Serving homeowners statewide, they build attached, detached, garage conversions, in-law suites, and backyard cottages.
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Acorn Deck House Company
852 Main Street, Acton, MA 01720
16.3 miles
Acorn Deck House builds luxury prefab ADUs in MA, featuring exposed beams & large windows. Options include 900 sq ft & 730 sq ft models. ADUs boost property value by 25–34% & generate rental income.
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Bethoney Builders LLC
56 Depot Street, Duxbury, MA 02331
34.2 miles
Bethoney Builders LLC is a South Shore residential contractor specializing in ADU construction, home additions, custom builds, and renovations. Services include in-law suites, garage conversions, finished basements, and structural repairs.
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Salisbury Construction Worcester
453 Chandler Street, Worcester, MA 01602
32.4 miles
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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New England Outdoor
37 Oakland Avenue, Methuen, MA 01844
27.6 miles
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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Coastal Modular Homes
271 Post Road, Wakefield, RI 02891
27.3 miles
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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13 Gables Inc
64 Millbury Road, Worcester, MA 01540
35.6 miles
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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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 Massachusetts ADU regulations.
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Atlantic Property Development
444 Broadway Unit B #1069, Saugus, MA 01906
13.3 miles
ADUs are now legal statewide in Massachusetts. Atlantic Property Development builds custom Accessory Dwelling Units on the North Shore, offering design, permitting, and construction services for detached, attached, and garage conversion ADUs.
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JB Cote Construction
25 Grand Avenue, Cumberland, RI 02864
28.8 miles
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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Boston Building Concepts
275 Main Street, Watertown, MA 02472
2.9 miles
ADUs are self-contained living spaces on existing properties. Legal in Massachusetts, local zoning rules apply. Boston Building Concepts is a Massachusetts ADU contractor offering full-service design, permitting, and construction of garage conversions, in-law suites, and detached ADUs.
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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.