Mass ADU

144 Arlington Road, Woburn, MA 01801 10.9 miles

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.

Horizon ADU

77 King Street, Boston, MA 02122 23.2 miles

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.

Heritage Modular Homes

16 Harrington Avenue, Shrewsbury, MA 01545 42.6 miles

40 years in business Prefab Specialist

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.

Avalon Building Systems

560 Turnpike Street, Canton, MA 02021 32.3 miles

Licensed 40 years in business Prefab Specialist

Avalon Building Systems builds custom modular homes and ADUs across the northeastern US. A VA Certified Builder, they offer turnkey services, Energy Star-compliant construction, and compact floor plans like in-law suites and backyard cottages.

Bradford Construction Management

145 South Main Street, Haverhill, MA 01835 10.2 miles

Bradford Construction Management brings commercial-grade project management to every ADU we build across the North Shore. That means daily photo documentation so you always know what's happening on site, transparent pricing so there are no budget surprises, and a clear schedule with real milestones.

ADU 4 You

7 Lincoln St, Suite 207, Wakefield, MA 01880 8.7 miles

ADU 4 You is a Boston-area ADU contractor offering full-service design, permitting, and construction of accessory dwelling units, including detached ADUs, in-law suites, and garage conversions, with fixed-price quotes and ROI estimates.

Spring Home Improvement

16 North Washington Street, Attleboro, MA 02760 47.8 miles

Licensed 13 years in business

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.

ADU Builders of MA

807 Massachusetts Avenue, Boston, MA 02118 18.4 miles

Eco-Friendly

Expert ADU builders serving Massachusetts homeowners. Services include detached ADUs, garage conversions, basement units & in-law suites. Fully permitted, code-compliant builds. Costs from $80K. Serving Boston, Cambridge, Worcester & statewide.

House Improvement LLC

6 Garfield Avenue, Shrewsbury, MA 01545 39.7 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.

MBA Builders

500 Edgewater Drive, Wakefield, MA 01880 7.4 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.

Aureli Construction

Eugene Road, Medford, MA 02155 14.3 miles

Eco-Friendly

An Accessory Dwelling Unit (ADU) is a self-contained living space on a residential property. Massachusetts law now makes ADU construction easier. Aureli Construction offers full-service ADU building, from zoning research to completed construction.

T&J Builders

919 U.S. 1 Bypass, Portsmouth, NH 03801 32.7 miles

T&J Builders specializes in custom ADUs in Dover NH, Portsmouth NH, NH Seacoast, Lakes Region & Southern Maine. Services include garage conversions, in-law suites & detached cottages for rental income, multigenerational living & added property value.

JFC Pros Construction

292 Main Street, Northborough, MA 01532 35.4 miles

Licensed In-House Architect In-House Engineer

JFC Pros Construction is a licensed general contractor in Massachusetts offering design, commercial, and new construction services. Their team includes architects, engineers, and tradespeople ensuring full code compliance with NFPA, ADA, IBC, IRC, and local building codes.

John Crowley Construction Co

171 Mattakeesett St, Pembroke, MA 02359 40.9 miles

Licensed 25 years in business Eco-Friendly

John Crowley Construction Co offers turnkey ADU construction on Massachusetts' South Shore, serving Pembroke, Plymouth, Hingham & more. Licensed (#114197), insured, 25+ years experience. Detached, attached, garage & basement ADUs available.

Luxe & Co Accessory Dwellings

60 Thoreau Street, Concord, MA 01742 19.2 miles

25 years in business Luxury Builds

Luxe & Co. Accessory Dwellings is a Massachusetts ADU builder offering full-service design, construction, and permitting. Founded by Hope Beckman and Sage Conti, they specialize in high-end ADUs including in-law suites, carriage houses, and home offices.

Other cities in Massachusetts

What you need to know

ADU Contractors in North Andover, MA: Building in a Historic New England Community

North Andover, Massachusetts, is a charming town with deep colonial roots, a vibrant town center, and a mix of historic properties and newer residential developments. As housing demand continues to grow in Essex County, many homeowners are turning to ADU contractors in North Andover, MA to add accessory dwelling units to their properties. Whether you own a historic home near the Town Common or a newer property in one of North Andover's residential neighborhoods, a well-built ADU can significantly increase your property's value and provide additional rental income or multigenerational living space.

North Andover Zoning and ADU Regulations

Before breaking ground, it's essential to understand that ADU construction in North Andover is governed by local zoning bylaws as well as Massachusetts state law. Under Massachusetts General Law Chapter 40A, Section 3, municipalities are required to allow ADUs in single-family zoning districts, which has opened new opportunities for homeowners. However, North Andover's local zoning bylaws may still impose specific requirements that your ADU contractor must navigate carefully, including:

Types of ADUs Built by North Andover Contractors

Experienced ADU builders in North Andover are skilled in constructing a variety of accessory dwelling unit types suited to the town's diverse housing stock. Given the prevalence of larger colonial and cape-style homes in the area, basement conversions and attached additions are particularly popular. Common ADU types include:

Why Hire a Local ADU Contractor in North Andover?

Hiring a local ADU contractor familiar with North Andover is a critical advantage. Local professionals understand the town's permitting process through the North Andover Building Department, have established relationships with local inspectors, and are familiar with the specific soil conditions and utility infrastructure common in the area. They can also help ensure your ADU design is sensitive to the town's historic and architectural character, which is especially important near protected historic districts.

When searching for the best ADU contractors in North Andover, Massachusetts, look for licensed and insured professionals with proven experience in Essex County, strong local references, and a clear understanding of both state ADU legislation and North Andover's local bylaws. A qualified contractor will guide you from initial design through final inspection, ensuring your project is completed on time, on budget, and fully compliant.

ADU Contractors near North Andover, MA