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 & state... 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
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.
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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 ... 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 regula... read more
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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New England Additions, backed by Sordan Construction, offers pre-designed ADU builds across 25+ Greater Boston communities. Specializing in in-law suites and detached ADUs, they streamline permitting, budgets, and timelines for Massachusetts homeo... read more
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 8–1... read more
Turkel Design offers custom-designed accessory dwelling units (ADUs) using a prefab process. Highlights include expert cabinetry, smart storage, and high-quality finishes, ensuring ADUs feel purposeful and cohesive with the main residence.
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Pro's Edge Small Homes is a licensed ADU contractor in MA & NH with 20+ years experience. They offer turnkey design, permitting & modular construction of granny flats, in-law suites & backyard cottages, including a free property evalua... read more
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.
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Mass Tiny Homes helps you build the perfect ADU for your needs, whether it be for aging parents or rental income, with an easy, streamlined process from start to finish.
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Planning an ADU in Massachusetts? Costs range from $250–$500+ per sq ft. State law now allows ADUs by right on single-family lots. Learn about permits, the Stretch Energy Code, and working with a qualified ADU contractor in Greater Boston.
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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.
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Canbury Homes is a Maine-based modular ADU builder offering diverse floor plans like Columbia II, Clinton, Cameron, and more. They guide homeowners through Maine's ADU regulations, providing customizable, affordable accessory dwelling units.
read moreHaverhill, Massachusetts, known as the "Queen Slipper City" for its rich shoemaking history, is a vibrant community along the Merrimack River in Essex County. With its mix of historic Victorian homes, triple-deckers, and newer developments, Haverhill presents unique opportunities and challenges for ADU (Accessory Dwelling Unit) contractors. The city's growing population and proximity to Boston via the MBTA Commuter Rail make ADUs an increasingly attractive option for homeowners looking to add rental income or multigenerational living space.
Before beginning any ADU project in Haverhill, contractors and homeowners must navigate the city's zoning ordinances. Massachusetts state law, particularly Chapter 40A, provides a framework that municipalities must follow, and Haverhill has aligned its local regulations accordingly. Key considerations include:
Skilled ADU contractors in Haverhill, MA understand the importance of working within the city's historic neighborhoods while meeting modern building standards. Many homes in Haverhill were built in the late 19th and early 20th centuries, meaning contractors often encounter older electrical systems, knob-and-tube wiring, and aging plumbing that must be updated during an ADU conversion. Experienced contractors will conduct thorough site assessments and coordinate with local inspectors to ensure full compliance.
When selecting an ADU contractor in Haverhill, Massachusetts, homeowners should prioritize professionals who are licensed in Massachusetts, carry proper insurance, and have demonstrated experience with local permitting processes. Look for contractors familiar with Essex County building requirements and those who can manage the entire project from design through final inspection. Getting multiple quotes and checking references from past Haverhill projects is strongly recommended to ensure quality results.