Priced Early Companies

20 Hampden Drive, South Easton, MA 02375 17.2 miles

Top Pro Inc.

35 Bradshaw Street, Medford, MA 02155 8.2 miles

Licensed 25 years in business Eco-Friendly

Top-Pro Construction, Inc. is Greater Boston's trusted ADU builder with 25 years of experience. Specializing in detached ADUs, attached units, garage conversions & basement ADUs to boost property value and rental income.

13 Gables Inc

64 Millbury Road, Worcester, MA 01540 41.2 miles

Licensed 38 years in business

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.

MBA Builders

500 Edgewater Drive, Wakefield, MA 01880 15.7 miles

Licensed

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.

ADU-PRO Corp.

121 Orchard Street, Millis, MA 02054 18.1 miles

Licensed 30 years in business Eco-Friendly

ADU-PRO Corp is a Massachusetts ADU specialist offering full-service construction, permitting, and project management. Led by licensed experts, they help homeowners build granny flats, in-law suites, and backyard cottages up to 900 sq ft.read more

Platt Builders

109 Central Avenue, Ayer, MA 01432 31.1 miles

In-House Architect Turnkey Solutions

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.

South Coast & Associates Inc

45 Slocum Road, Dartmouth, MA 02747 46.5 miles

Eco-Friendly Luxury Builds

South Coast & Associates builds custom ADUs in Southeastern Massachusetts. From detached backyard cottages to garage conversions and in-law suites, they handle design, permitting, and construction for single-family homeowners.

Boston Building Concepts

275 Main Street, Watertown, MA 02472 6.6 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.

Atlantic Property Development

444 Broadway Unit B #1069, Saugus, MA 01906 12.3 miles

40 years in business Eco-Friendly Free Consultation

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.

Auburndale Builders

151R Adams Street, Newton, MA 02458 7.3 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.

Amex Construction

15 Industrial Way, Hanover, MA 02339 16.8 miles

Eco-Friendly

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.

Woodland Builders

195 Hanover Street, Hanover, MA 02339 17.8 miles

Luxury Builds

Woodland Builders is a full-service ADU builder serving South Shore, MA, including Hingham, Plymouth & Scituate. They manage design through construction, ensuring quality, compliance, and streamlined project management for accessory dwelling units.

Boston Deck Builders

Natick, MA 13.8 miles

Free Consultation Free Site Assessment Turnkey Solutions

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.

DiStefano Brothers Construction

433 Main Street, Wakefield, RI 02879 29.9 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 dwelling units.

Brittivia Homes & Construction

913 Northfield Road, Lunenburg, MA 01462 40.5 miles

20 years in business

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.

Other cities in Massachusetts

What you need to know

ADU Contractors in Norwell, MA: Building in a Historic South Shore Community

Norwell, Massachusetts, is a charming town on the South Shore known for its historic character, scenic landscapes, and strong commitment to preserving its rural aesthetic. With a relatively low population density and a significant portion of land protected under conservation restrictions, finding the right ADU contractor in Norwell, MA means working with professionals who understand the town's unique zoning landscape and land use priorities. Accessory Dwelling Units (ADUs) have become increasingly popular here as homeowners look to add rental income, house aging family members, or simply maximize their property's value.

Zoning and Regulatory Considerations for ADUs in Norwell

Before breaking ground, it's essential to understand that Norwell operates under its own Zoning Bylaws, administered through the Norwell Building Department and the Zoning Board of Appeals. Massachusetts passed the MBTA Communities Act, which encourages municipalities to allow multi-family housing near transit, and this has influenced how towns like Norwell approach ADU permitting. Homeowners and contractors must navigate local bylaws carefully, as requirements can include:

Why Septic Systems Matter for Norwell ADU Projects

One of the most critical factors for ADU construction in Norwell is the town's reliance on private septic systems. Because Norwell is not connected to a municipal sewer system, any ADU project must account for the capacity of the existing septic system. A qualified ADU contractor will coordinate with a licensed Title 5 inspector and, if necessary, a septic engineer to determine whether the current system can handle the additional load or if an upgrade is required. This step can significantly affect both the timeline and budget of your ADU project.

What to Look for in a Norwell ADU Contractor

Choosing the right ADU builder in Norwell, MA is crucial to a successful project. The best contractors will have direct experience working within Norwell's regulatory environment and strong relationships with local inspectors and town officials. Key qualities to look for include:

Start Your Norwell ADU Project Today

Whether you're planning a detached ADU, garage conversion, or in-law suite in Norwell, working with an experienced local contractor is the smartest first step. A knowledgeable ADU contractor will guide you through permitting, design, and construction while ensuring full compliance with Norwell's zoning bylaws and Massachusetts state law. Investing in an ADU in Norwell is not just a smart financial decision — it's a way to thoughtfully add housing in one of the South Shore's most desirable communities.

ADU Contractors near Norwell, MA