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.
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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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Oxland Builders is a design/build remodeling company in Portsmouth, NH, serving the Seacoast region since 2003. Services include kitchen & bathroom remodeling, home additions, ADUs, in-law suites, and whole-home renovations across Rockingham County and Southern Maine.
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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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Trusted Boston ADU builders specializing in attached, detached, and two-story accessory dwelling units. Stick-built construction ensures code compliance and lasting value. Services include design, permitting, and full project management for multigenerational living or rental income.
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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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Honorato Company offers a structured construction process in Boston, covering ADUs, garage conversions & renovations. From consultation to final walkthrough, they ensure transparency, permitting, design, and clear communication throughout.
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New England Outdoor, a family-owned business in Methuen, MA, builds custom sheds, garages, pavilions, and ADUs across New England. Specializing in ADU construction, garage conversions, and in-law suites, they handle design, permits, and zoning guidance.
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River City Construction is a Boston-based ADU contractor specializing in home additions, garage conversions, in-law suites & detached backyard cottages. They manage design, permitting & full construction under one roof.
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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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Massachusetts homeowners can get permit-ready ADU plans starting at $800, delivered in days. Three tiers cover plans, cost estimates, and full custom design up to $3,100. Free ADU Starter Guide available.
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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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Allan Tran's Exterior Finish Work (AJT Properties) specializes in residential exterior services including deck construction, porch railing installation, storage structures, and CertainTeed siding. Known for reliable communication, on-budget delivery, and durable craftsmanship.
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13 Gables Inc, a licensed MA general contractor with 38+ years experience, builds custom ADUs including detached units, garage conversions & in-law suites. Massachusetts' 2025 Affordable Homes Act now allows ADUs by right in single-family zones.
read moreOrford, New Hampshire is a small, scenic town nestled along the Connecticut River in Grafton County, known for its historic Ridge Houses — a row of seven Federal-style homes considered among the finest examples of early American architecture in New England. With a population of just over 1,000 residents, Orford maintains a tight-knit rural character that shapes how Accessory Dwelling Units (ADUs) are planned, permitted, and built. If you're looking for experienced ADU contractors in Orford, NH, understanding the local landscape is essential before breaking ground.
New Hampshire passed RSA 674:71-73, which requires municipalities to allow ADUs as a matter of right in single-family residential zones. This means Orford must permit at least one ADU per single-family dwelling. However, local zoning ordinances can still regulate setbacks, lot size requirements, and design standards. Given Orford's rural zoning structure, properties tend to be larger, which can actually make ADU construction more feasible compared to denser urban areas. A qualified ADU contractor in Orford, New Hampshire will be familiar with both state mandates and the town's specific zoning bylaws.
Due to the rural and agricultural nature of Orford, certain ADU types are particularly well-suited to the area. Experienced local contractors typically work on:
Building an ADU in Orford comes with specific considerations that your contractor must navigate carefully:
Choosing the right ADU builder in Orford, New Hampshire means selecting a contractor with proven experience in rural New Hampshire construction, knowledge of local permitting processes, and expertise in off-grid or semi-off-grid utility systems. Whether you're looking to house a family member, generate rental income, or add long-term property value, a skilled Orford ADU contractor can help you achieve your goals efficiently and in full compliance with state and local regulations.