At Hobart Contracting, we design and build high-quality Accessory Dwelling Units (ADUs) that fit your lifestyle and property. Whether you’re planning a guest house, in-law suite, rental unit, or private retreat, our team creates spaces that are functional, beautiful, and built to last.
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BlackDog Builders offers full-service ADU design/build solutions, handling design, permitting, and construction under one roof. Specializing in detached ADUs, backyard cottages, in-law suites, and granny flats, they back projects with a 3-year warranty.
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North Shore ADU Home Builders LLC builds custom ADUs up to 900 sq ft across Massachusetts. Services cover design, permits & construction. Rental income ranges $1,800–$3,500/month. Property values may rise $100K–$250K.
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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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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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Massachusetts ADUs are now legal by right statewide after 2024 legislation. MBA Builders offers full-service ADU construction across Greater Boston, with structured preconstruction planning and builds starting around $450/sq ft.
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Patco Homes offers full-service ADU construction, managing feasibility, design, permits, and build. Ideal for granny flats, in-law suites, or detached ADUs, they guide homeowners through every step with one dedicated team.
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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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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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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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Mass ADU is a Massachusetts-based ADU contractor offering full-service accessory dwelling unit construction. Services include free consultations, permitting, design, and build. They serve homeowners statewide with a clear 3-step process.
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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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An Accessory Dwelling Unit (ADU) is a self-contained living space on a residential property. Massachusetts law now makes ADU construction easier. Aureli Construction offers full-service ADU building, from zoning research to completed construction.
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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.
read moreNorth Hampton, New Hampshire is a small, picturesque town nestled along the Seacoast region, known for its beautiful beaches, rural character, and tight-knit community. With a population of just over 4,000 residents, North Hampton maintains a distinctly residential feel, making Accessory Dwelling Units (ADUs) an increasingly popular solution for homeowners looking to add housing flexibility without disrupting the town's charm. Finding experienced ADU contractors in North Hampton, NH is essential to navigating the town's specific zoning requirements and building codes.
North Hampton falls under Rockingham County and operates under its own local zoning ordinances. Homeowners and ADU builders in North Hampton must work within the town's zoning regulations, which typically govern lot size requirements, setbacks, and the overall footprint of any accessory structure. New Hampshire state law has made strides in supporting ADU development — under RSA 674:71-73, municipalities are required to allow ADUs as a matter of right in areas zoned for single-family homes, which applies to North Hampton. However, local regulations may still impose conditions such as:
Skilled ADU contractors serving North Hampton, New Hampshire are experienced in building a variety of unit types suited to the area's predominantly single-family residential landscape. Common ADU types include:
Working with a local ADU contractor in North Hampton offers significant advantages. Local professionals are familiar with the town's permitting process, building inspectors, and any nuances in the local zoning ordinance. They understand the region's climate demands — including harsh New Hampshire winters — and can recommend appropriate insulation, heating systems, and materials to ensure your ADU is energy-efficient and durable year-round.
Whether you're looking to create rental income, house a family member, or increase your property value, an ADU is a smart investment in North Hampton's growing real estate market. Contact a qualified ADU contractor in North Hampton, NH today to discuss your project, review local regulations, and begin the permitting process with confidence.