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 zone... read more
SRH Homes builds custom ADUs, including 500 SF 1-bed and 800 SF 2-bed units. Options include high-end finishes and mini-split HVAC. Financing via HELOC or cash-out refinance. Ideal for rental units, granny flats, or in-law suites.
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Stella Home Services is a Greater Boston ADU contractor specializing in basement apartments, garage conversions, in-law suites & home additions. They manage design, permitting & construction for fully functional accessory dwelling units.read more
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
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 Gr... read more
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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Kinstruct Tiny Homes is a Pacific Northwest contractor specializing in tiny homes and ADUs, including detached ADUs, backyard cottages, granny flats, and in-law suites built to maximize space and meet local codes.
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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 gui... read more
Core Remodeling Services has built ADUs and in-law suites across Central Massachusetts since 2012. They handle zoning, permits, design, and construction. Projects range from $150K–$400K+, take 6–8 months, and are backed by a 5-year warranty.read more
Top Notch Contracting is a Massachusetts ADU builder specializing in detached backyard cottages, garage conversions, in-law suites, and multigenerational spaces. They manage permitting, construction, and completion across Boston and MA.
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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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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... read more
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.
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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.
read moreHollis, New Hampshire is a charming rural town in Hillsborough County known for its scenic farmland, historic stone walls, and strong commitment to preserving its small-town character. With a population of roughly 8,000 residents and a predominantly residential and agricultural landscape, Hollis presents a unique environment for ADU (Accessory Dwelling Unit) contractors. The town's dedication to maintaining its rural aesthetic means that any ADU construction must be thoughtfully planned to align with local zoning ordinances and community values.
Before breaking ground on an ADU project in Hollis, contractors and homeowners must navigate the town's specific zoning regulations. Hollis operates under its Zoning Ordinance, which governs land use across residential and agricultural zones. Key regulatory points that experienced ADU contractors in Hollis, NH must be familiar with include:
Working with a licensed ADU contractor familiar with Hollis, NH is essential for a smooth building process. Local contractors understand the nuances of the town's permitting process, the requirements of the Hollis Building Department, and the environmental sensitivities of the region, including wetland buffers and soil conditions common in southern New Hampshire. A knowledgeable contractor will help ensure your project complies with New Hampshire RSA 674:71-73, the state statute that encourages municipalities to allow accessory dwelling units.
Given the spacious lots and rural setting of Hollis, homeowners often pursue the following ADU types:
Whether you're looking to house aging parents, generate rental income, or add long-term property value, building an ADU in Hollis, NH is a smart investment. Connect with a qualified ADU contractor in Hollis, New Hampshire who understands local regulations, environmental requirements, and the community's character to bring your vision to life efficiently and compliantly.