ADU Of Massachusetts is a full-service ADU builder specializing in design, permitting, and construction of accessory dwelling units. Serving homeowners statewide, they build attached, detached, garage conversions, in-law suites, and backyard cottages.
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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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MassDwell Solutions builds modular ADUs for homeowners, investors & developers. Models range from 470–892 sqft, starting at $164,500. Factory-built steel frame units include full warranties, energy-efficient features & 8–12 week installation.
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Post Woodworking builds custom Accessory Dwelling Units (ADUs), including detached ADUs and in-law suites. They offer flexible involvement, from full construction management to building only, ensuring seamless integration with your existing home.
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Walczak Design and Build LLC is a trusted ADU contractor on Massachusetts' North Shore, serving Ipswich, Newburyport, Beverly & more. They offer full-service ADU design, permitting, and construction with transparent planning and expert project management.
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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 regulations.
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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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BuildX is a premier ADU builder in Southeastern Massachusetts with 40+ years of experience and $450M+ in projects. Offering custom stick-built ADUs, a 100-day build guarantee, and transparent pricing starting from $254,540.
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Think ADU is a California ADU contractor specializing in design, permitting, and construction of accessory dwelling units. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites for rental, family, or property value goals.
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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.
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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.
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Bethoney Builders LLC is a South Shore residential contractor specializing in ADU construction, home additions, custom builds, and renovations. Services include in-law suites, garage conversions, finished basements, and structural repairs.
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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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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.
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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.
read moreMiddleton, Massachusetts is a small, rural-suburban town in Essex County with a population of just over 10,000 residents. Known for its scenic landscapes, agricultural heritage, and proximity to major routes like Route 114 and I-95, Middleton offers a unique setting for homeowners looking to add an Accessory Dwelling Unit (ADU) to their property. With larger lot sizes common throughout the town, many properties are well-suited for ADU construction — making experienced ADU contractors in Middleton, MA an increasingly sought-after resource.
Before breaking ground, homeowners and ADU builders in Middleton must navigate the town's local zoning bylaws. Middleton falls under its own Zoning Bylaw, administered through the Town of Middleton Planning Board and Zoning Board of Appeals. Key considerations for ADU construction in Middleton include:
Given Middleton's spacious residential properties and rural character, ADU contractors serving Middleton, MA frequently work on a variety of unit types. The most popular options include:
Working with a licensed ADU contractor familiar with Middleton, Massachusetts is essential for a smooth project. Local contractors understand the town's permitting process, have established relationships with the Middleton Building Department, and are knowledgeable about the specific challenges of building on properties with private septic systems and wells — a common reality in this Essex County town.
Whether you're looking to create rental income, house a family member, or increase your property value, investing in an ADU in Middleton is a smart decision. Contact a qualified ADU contractor in Middleton, MA today to explore your options and begin the planning process.