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.
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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.
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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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Stella Home Services is a Greater Boston ADU contractor specializing in basement apartments, garage conversions, in-law suites & home additions. They manage design, permitting & construction for fully functional accessory dwelling units.
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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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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.
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Core Remodeling Services has built ADUs and in-law suites across Central Massachusetts since 2012. They handle zoning, permits, design, and construction. Projects range from $150K–$400K+, take 6–8 months, and are backed by a 5-year warranty.
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Alcantara Construction is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, in-law suites, and granny flats. They guide homeowners through planning, permitting, and building accessory dwelling units efficiently.
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Boston ADUs add rental income ($1,500–$3,000/month), boost property value, and support multi-generational living. Boston ADU Builder offers detached, attached, garage, and basement conversions, handling design, permits, and construction in 8–12 months.
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Hawthorn Builders offers end-to-end ADU construction, managing consultation, design, permitting, and building. As a detached ADU and garage conversion contractor, they complete accessory dwelling units in ~90 days with minimal disruption.
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Massachusetts' new ADU legislation allows homeowners to build detached or attached accessory dwelling units. CZ Construction Management LLC helps with planning, permits, and construction of ADUs across Massachusetts, including Greater Boston.
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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.
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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.
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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.
read moreNorth 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.
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:
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:
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.