Detached ADU near Hollis, NH
Vermont Flex Homes
71 Westminster Road, Putney, VT 05346
48.9 miles
Vermont Flex Homes is an experienced ADU contractor in Windham County, VT, specializing in permitted, move-in ready accessory dwelling units, garage conversions, in-law suites, and custom ADU builds tailored to Vermont's climate and codes.
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Turkel Design
1060 Broadway, Somerville, MA 02144
34.2 miles
Turkel Design offers custom-designed accessory dwelling units (ADUs) using a prefab process. Highlights include expert cabinetry, smart storage, and high-quality finishes, ensuring ADUs feel purposeful and cohesive with the main residence.
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Luxe & Co Accessory Dwellings
60 Thoreau Street, Concord, MA 01742
23.6 miles
Luxe & Co. Accessory Dwellings is a Massachusetts ADU builder offering full-service design, construction, and permitting. Founded by Hope Beckman and Sage Conti, they specialize in high-end ADUs including in-law suites, carriage houses, and home offices.
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13 Gables Inc
64 Millbury Road, Worcester, MA 01540
42.7 miles
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.
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Atlantic Property Development
444 Broadway Unit B #1069, Saugus, MA 01906
35.4 miles
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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BlackDog Builders
7 Red Roof Lane, Salem, NH 03079
21.9 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.
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ADU-PRO Corp.
121 Orchard Street, Millis, MA 02054
42 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.
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Post Woodworking
163 Kingston Road, Danville, NH 03819
29.6 miles
Post Woodworking builds custom Accessory Dwelling Units (ADUs), including detached ADUs and in-law suites. They offer flexible involvement, from full construction management to building only, ensuring seamless integration with your existing home.
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North Shore ADU Home Builders
Essex, MA 01929
43.2 miles
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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New England Additions
809 Turnpike Street, North Andover, MA 01845
25.2 miles
New England Additions, backed by Sordan Construction, offers pre-designed ADU builds across 25+ Greater Boston communities. Specializing in in-law suites and detached ADUs, they streamline permitting, budgets, and timelines for Massachusetts homeowners.
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T&J Builders
919 U.S. 1 Bypass, Portsmouth, NH 03801
48.3 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.
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ADU 4 You
7 Lincoln St, Suite 207, Wakefield, MA 01880
32.3 miles
ADU 4 You is a Boston-area ADU contractor offering full-service design, permitting, and construction of accessory dwelling units, including detached ADUs, in-law suites, and garage conversions, with fixed-price quotes and ROI estimates.
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Top Pro Inc.
35 Bradshaw Street, Medford, MA 02155
34.7 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.
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Provost Companies
20 Maple Street, Stoughton, MA 02072
49.8 miles
MBA Builders
500 Edgewater Drive, Wakefield, MA 01880
32.7 miles
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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Other cities in New Hampshire
What you need to know
Searching for top Detached ADU ADU Contractors in Hollis, New Hampshire? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Hollis ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Hollis homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Hollis, New Hampshire, and get started today.