ADU Contractors near Salem, NH
Boston ADU Builder
807 Massachusetts Avenue, Boston, MA 02118
30.3 miles
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.
read more
BlackDog Builders
7 Red Roof Lane, Salem, NH 03079
1.8 miles
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.
read more
Mass Tiny Homes
800 Lexington Waltham Plaza #1012, Waltham, MA 02451
28.1 miles
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.
read more
Aureli Construction
Eugene Road, Medford, MA 02155
25.1 miles
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.
read more
ADU Builders of MA
807 Massachusetts Avenue, Boston, MA 02118
30.3 miles
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.
read more
Think ADU
123 Main Street, Worcester, MA 01608
46.6 miles
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.
read more
JFC Pros Construction
292 Main Street, Northborough, MA 01532
37.8 miles
JFC Pros Construction is a licensed general contractor in Massachusetts offering design, commercial, and new construction services. Their team includes architects, engineers, and tradespeople ensuring full code compliance with NFPA, ADA, IBC, IRC, and local building codes.
read more
Beantown Builders, Inc.
181 North Montello Street, Brockton, MA 02302
49.3 miles
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+.
read more
Patco Homes
1293 Main Street, Sanford, ME 04073
49.4 miles
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.
read more
Hobart Contracting
112 Shore Road, Cape Neddick, ME 03902
41.9 miles
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.
read more
Honorato Company
34 Commerce Way, Woburn, MA 01801
19.7 miles
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.
read more
Massachusetts Adu Plans
68 Harrison Avenue, Boston, MA 02111
31.2 miles
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.
read more
T&J Builders
919 U.S. 1 Bypass, Portsmouth, NH 03801
29.1 miles
T&J Builders specializes in custom ADUs in Dover NH, Portsmouth NH, NH Seacoast, Lakes Region & Southern Maine. Services include garage conversions, in-law suites & detached cottages for rental income, multigenerational living & added property value.
read more
ADU-PRO Corp.
121 Orchard Street, Millis, MA 02054
44.4 miles
ADU-PRO Corp is a Massachusetts ADU specialist offering full-service construction, permitting, and project management. Led by licensed experts, they help homeowners build granny flats, in-law suites, and backyard cottages up to 900 sq ft.
read more
Top Pro Inc.
35 Bradshaw Street, Medford, MA 02155
26.5 miles
Top-Pro Construction, Inc. is Greater Boston's trusted ADU builder with 25 years of experience. Specializing in detached ADUs, attached units, garage conversions & basement ADUs to boost property value and rental income.
read more
Other cities in New Hampshire
What you need to know
ADU Contractors in Salem, NH: Building in a Thriving Border Town
Salem, New Hampshire is one of the state's most dynamic communities, situated directly on the Massachusetts border along Route 28 and Interstate 93. Known for its strong retail economy anchored by the Rockingham Park area and a rapidly growing residential population, Salem has seen increasing demand for Accessory Dwelling Units (ADUs). Homeowners in Salem are turning to experienced ADU contractors to maximize their property value and address the region's tight housing market, particularly given the town's appeal to commuters heading into the Greater Boston area.
Salem NH Zoning and ADU Regulations
Before breaking ground, it's essential to understand Salem's local zoning ordinances. Salem operates under its own Zoning Ordinance, and ADUs are generally permitted as accessory uses in residential zones, but subject to specific conditions. Key regulatory points that qualified ADU contractors must navigate include:
- ADUs must be clearly subordinate in size to the primary dwelling unit
- Owner-occupancy of either the primary or accessory unit is typically required
- Adequate off-street parking must be provided for both units
- Separate utility connections may be required depending on the ADU type
- Building permits must be obtained through the Salem Building Department before any construction begins
New Hampshire state law, particularly RSA 674:71-73, provides a framework encouraging municipalities to allow ADUs, and Salem has aligned its local ordinances accordingly. However, working with a knowledgeable local ADU contractor ensures full compliance with both state and town-specific requirements.
Types of ADUs Built by Salem NH Contractors
Experienced ADU contractors in Salem, NH offer a variety of construction options tailored to the town's mix of colonial-style homes, ranch properties, and newer developments. Common ADU types include:
- Attached ADUs: Additions built onto the side or rear of an existing home
- Detached ADUs: Standalone structures such as backyard cottages or converted garages
- Interior ADUs: Basement conversions or in-law suites carved out of existing living space
Why Hire a Local ADU Contractor in Salem, NH
Hiring a local ADU contractor in Salem, New Hampshire offers significant advantages. Local professionals are familiar with the town's permitting timelines, building inspectors, and specific soil and frost-depth considerations common to Southern New Hampshire's climate. They also understand the architectural character of Salem neighborhoods, ensuring your ADU blends seamlessly with the existing structure.
Maximizing Your Investment with an ADU in Salem
With Salem's proximity to Massachusetts and its strong rental demand, a well-built ADU can generate substantial rental income or provide flexible multigenerational living space. ADU contractors in Salem, NH can help homeowners assess feasibility, manage permitting, and deliver high-quality construction that meets all local codes — making your ADU project a smart, long-term investment in one of New Hampshire's most sought-after communities.