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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Acorn Deck House builds luxury prefab ADUs in MA, featuring exposed beams & large windows. Options include 900 sq ft & 730 sq ft models. ADUs boost property value by 25–34% & generate rental income.
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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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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.
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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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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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Bradford Construction Management brings commercial-grade project management to every ADU we build across the North Shore. That means daily photo documentation so you always know what's happening on site, transparent pricing so there are no budget surprises, and a clear schedule with real milestones.
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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.
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Turnkey ADUs is a Leominster, MA ADU contractor offering modular, prefabricated accessory dwelling units across New England. Models range from $119K–$249,900. Massachusetts' 2024 Affordable Homes Act now allows ADUs up to 900 sq. ft. by right.
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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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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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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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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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Alcantara Construction is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, in-law suites, and granny flats. They guide homeowners through planning, permitting, and building accessory dwelling units efficiently.
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.