Victory Construction Services Inc. builds ADUs in Rhode Island, including garage conversions, basement ADUs, and detached units. Family-owned since 2016, licensed, insured, with 15+ years experience and a 1-Year Workmanship Guarantee. Free estimates available.
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Steveworks LLC completed a whole house remodel in Newton, redesigning the floor plan, replacing windows, siding, and roofing, and upgrading insulation. They also built an accessible ADU above a garage, featuring a full kitchen, curbless shower, and chair lift for aging-in-place living.
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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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NorthEast Design + Build offers ADU and in-law apartment construction across Massachusetts & Rhode Island. Services include detached backyard cottages, in-law suites, and attached additions. Serving Milford, Providence, Warwick & more.
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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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NE Tiny Homes is a full-service ADU builder across the US, offering custom tiny homes, garage conversions, and ADUs from 352 sq ft. Transparent pricing, permit handling, and move-in-ready builds for rental income or in-law suites.
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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.
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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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Beantown Builders, Inc. is a Greater Boston ADU contractor offering full-service design, permitting, and construction. Projects include detached ADUs, garage conversions, and in-law suites, with budgets from $15,000 to $1M+.
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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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Salas Construction builds custom ADUs in Rhode Island, including attached, detached, and garage conversions. Projects range from $200K–$500K and take 6–12 months. Uses include rentals, guest suites, and multigenerational living.
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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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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.
read moreDartmouth, Massachusetts, is a scenic coastal town in Bristol County, known for its working farms, salt marshes, and proximity to Buzzards Bay. As one of the largest towns by land area in Massachusetts, Dartmouth offers a unique mix of rural, suburban, and coastal properties — making it an ideal location for Accessory Dwelling Units (ADUs). Whether you're looking to add a detached cottage on a sprawling agricultural lot or convert an existing structure near the coast, experienced ADU contractors in Dartmouth understand the specific challenges and opportunities this community presents.
Before breaking ground, it's essential to understand Dartmouth's zoning bylaws. The town operates under its own Zoning By-Law, administered through the Dartmouth Building Department and Planning Board. ADUs — often referred to as "accessory apartments" — are subject to specific dimensional requirements, setback rules, and lot coverage limitations depending on the zoning district. Additionally, properties near the coast or wetlands must comply with Massachusetts Wetlands Protection Act regulations, which may require review by the Dartmouth Conservation Commission. Skilled local ADU contractors are familiar with navigating these layers of approval.
Massachusetts also enacted significant statewide ADU reform through the 2024 Affordable Homes Act, which allows by-right construction of ADUs up to 900 square feet on single-family lots across the state. This means Dartmouth homeowners now have greater flexibility to build ADUs without requiring a special permit in many cases, though local dimensional standards and building codes still apply.
Experienced ADU contractors serving Dartmouth offer a wide range of construction options tailored to the town's diverse property types:
Hiring a contractor with direct experience in Dartmouth is critical. Local professionals understand the town's soil conditions, flood zone maps, and septic system requirements — all of which can significantly impact ADU construction costs and timelines. Many properties in Dartmouth rely on private wells and Title 5 septic systems, meaning any new dwelling unit must be carefully evaluated for wastewater capacity compliance with Massachusetts DEP regulations.
With the right ADU contractor in Dartmouth, MA, homeowners can successfully add value, housing flexibility, and rental income potential to their properties while staying fully compliant with local and state regulations.