Meetinghouse Builders offers custom ADU design & construction in Hollis, NH. Services include detached builds, garage conversions, basement ADUs & home additions. Features 3D renderings, style guides & full construction documents.
read more
Massachusetts homeowners can get permit-ready ADU plans starting at $800, delivered in days. Three tiers cover plans, cost estimates, and full custom design up to $3,100. Free ADU Starter Guide available.
read more
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.
read more
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.
read more
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.
read more
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.
read more
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 more
Mass ADU is a Massachusetts-based ADU contractor offering full-service accessory dwelling unit construction. Services include free consultations, permitting, design, and build. They serve homeowners statewide with a clear 3-step process.
read more
Trusted Boston ADU builders specializing in attached, detached, and two-story accessory dwelling units. Stick-built construction ensures code compliance and lasting value. Services include design, permitting, and full project management for multigenerational living or rental income.
read more
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.
read more
SRH Homes builds custom ADUs, including 500 SF 1-bed and 800 SF 2-bed units. Options include high-end finishes and mini-split HVAC. Financing via HELOC or cash-out refinance. Ideal for rental units, granny flats, or in-law suites.
read more
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
Regulus Construction is a licensed ADU contractor serving MetroWest Massachusetts. They build detached backyard cottages, garage conversions, and in-law suites, managing design, permitting, and construction across 40+ towns.
read more
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
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.
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.