Detached ADU near Hartford, CT
Ethics Home Building and Remodeling, LLC.
228 Beths Avenue, Bristol, CT 06010
12.2 miles
Ethics Home Building and Remodeling in Bristol, CT specializes in home additions, in-law suites, and ADU construction. Services include garage conversions, second-story expansions, and code-compliant accessory dwelling units tailored to homeowner needs.
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The Barn Yard
120 West Road, Ellington, CT 06029
13.9 miles
The Barn Yard designs and builds accessory dwelling units (ADUs) using post and beam construction. They offer full builds across New England and New York, plus nationwide ADU kit shipping for rental units, guest suites, or multigenerational living.
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Rare Forms
51 Ferry Street, Easthampton, MA 01027
35.3 miles
Rare Forms & New Frameworks offer the Casita series—prefabricated ADUs built with sustainable Massachusetts wood and straw. All-electric, non-toxic, and customizable, models include the Cabinita 300 and Terra 600 for eco-friendly backyard cottages.
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BIOS Homes
29 Broadview Heights Extension, Thomaston, CT 06787
20.7 miles
BIOS Homes is a Connecticut ADU contractor specializing in detached, attached, basement, and garage conversion ADUs. Using modular construction, they handle design, permits, and builds under CT Public Act 21-29.
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ADU Builders CT LLC
101 Madison Avenue, Westport Village, CT 06106
1.7 miles
ADU Builders CT LLC, based in Westport, CT, specializes in custom ADU design and construction, tiny homes, and home remodeling. Licensed in Connecticut (#NHC.0018259) with 35+ years of experience, they offer detached, attached, basement, attic, garage, and pool house ADUs statewide.
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Peragallo Construction
500 South Brooksvale Road, Cheshire, CT 06410
24.1 miles
Peragallo Construction builds custom ADUs in Central & Southern Connecticut, including detached cottages, in-law suites, garage conversions & basement apartments. Serving Cheshire, Wallingford & Guilford. ADU costs range $150K–$350K.
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Home & Hearth Remodeling and Restoration
203 Circuit Avenue, West Springfield, MA 01089
22.8 miles
Home & Hearth Remodeling offers ADU construction in Massachusetts. Since the 2024 Affordable Homes Act, homeowners can add one ADU by right in single-family zones. Services include detached ADUs, in-law suites, and garage conversions.
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ADU Builders Hartford
101 Madison Avenue, Hartford, CT 06106
1.7 miles
With years of experience in ADU design and construction, we deliver high-quality results tailored to Connecticut homeowners. We understand Hartford and Connecticut’s ADU regulations, making your project smooth and hassle-free from permits to completion.
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Sunwood Home Builders & Remodelers
273 North Colony Street, Wallingford, CT 06492
22.2 miles
Sunwood Home Builders & Remodelers, building since 1985, offers ADU construction across Connecticut. Services include detached ADUs, in-law suites, garage conversions & more. Over 600 homes built. Projects typically take 6–12 months.
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13 Gables Inc
64 Millbury Road, Worcester, MA 01540
49.8 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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Post and Beam Barns
326 Gilead Street, Hebron, CT 06248
16.6 miles
Post and Beam Barns (Country Carpenters, Hebron CT) offers handcrafted post and beam kits ideal for ADUs, backyard cottages & in-law suites. With 50+ years experience, models include The Sterling, Hemingway & Barrett. Timeline: 4–12 months.
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Westchester Modular Homes Inc.
30 Reagans Mill Road, Wingdale, NY 12594
45.6 miles
Westchester Modular Homes Inc. builds modular accessory dwelling units (ADUs) in the Northeast. ADUs are secondary homes on single-family lots requiring permits, a kitchen, bathroom, and private entrance. ADUs can boost property value.
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Kling Brothers Builders
103 South Main Street, Newtown, CT 06470
35.1 miles
Kling Brothers Builders specializes in home additions, from extra bedrooms to master retreats. They handle planning, site evaluation, exterior matching, and construction, ensuring seamless integration and strong ROI. Free consultations available.
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Reagan Homes
197 Long Wharf Drive, Mystic, CT 06355
47.9 miles
New London’s unique blend of historic charm and modern living makes it an ideal location for thoughtfully designed ADUs. The city’s zoning regulations have adapted to accommodate these versatile structures, making now the perfect time to consider adding one to your property.
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Fine Home Contracting
70 Spruce Brook Road, Plymouth, CT 06782
21.7 miles
ADUs & in-law suites add living space & value to CT homes. ADUs are self-contained units; in-law suites attach to the main house. Costs range $100K–$300K+. Learn key differences in privacy, zoning & budget.
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Other cities in Connecticut
What you need to know
Searching for top Detached ADU ADU Contractors in Hartford, Connecticut? 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 Hartford 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.
Hartford 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 Hartford, Connecticut, and get started today.