DiStefano Brothers Construction

433 Main Street, Wakefield, RI 02879 48.6 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.

ADU-PRO Corp.

121 Orchard Street, Millis, MA 02054 36.5 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

WR Builders Inc

397 Elliot Street, Newton, MA 02464 23.5 miles

Boston Construct

1660 Soldiers Field Road, Boston, MA 02135 19.3 miles

Eco-Friendly Luxury Builds

Boston Construct is a full-service ADU contractor in Boston, MA, building basement conversions, garage conversions, detached backyard cottages, and in-law suites. They handle design, permitting, and construction for 1-3 family homeowners across Greater Boston.

Provost Companies

20 Maple Street, Stoughton, MA 02072 34.9 miles

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 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.

North Shore ADU Home Builders

Essex, MA 01929 14.2 miles

North Shore ADU Home Builders LLC builds custom ADUs up to 900 sq ft across Massachusetts. Services cover design, permits & construction. Rental income ranges $1,800–$3,500/month. Property values may rise $100K–$250K.

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.

Turnkey ADUs

435 Lancaster ST, Leominster, MA 01453 35.7 miles

Prefab Specialist Eco-Friendly Luxury Builds

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.

DCCS Construction

74 Howland Street, Boston, MA 02121 21.9 miles

DCCS Construction helps Boston homeowners navigate the ADU program, converting basements, attics, and existing spaces into independent rental units. Serving 1-3 family homes, they handle both architectural design and construction for full ADU project management.

Hobart Contracting

112 Shore Road, Cape Neddick, ME 03902 45.4 miles

At Hobart Contracting, we design and build high-quality Accessory Dwelling Units (ADUs) that fit your lifestyle and property. Whether you’re planning a guest house, in-law suite, rental unit, or private retreat, our team creates spaces that are functional, beautiful, and built to last.

Boston Deck Builders

Natick, MA 28 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.

Woodland Builders

195 Hanover Street, Hanover, MA 02339 37.4 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.

Kinstruct Tiny Homes

3 Glass St, Pembroke, NH 03275 40 miles

Kinstruct Tiny Homes is a Pacific Northwest contractor specializing in tiny homes and ADUs, including detached ADUs, backyard cottages, granny flats, and in-law suites built to maximize space and meet local codes.

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