Attached ADU near Norwalk, CT
Second Key NYC
157 13th Street, Brooklyn, NY 11215
42.8 miles
Licensed ADU contractor and construction management firm for NYC homeowners. We handle eligibility, permitting, and the full build across Queens, Brooklyn, Staten Island, and the Bronx.
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Kondor NYC
160 East 65th Street, New York, NY 10065
37.2 miles
Kondor NYC offers ADU design & installation, including attached, detached units & garage conversions. Ideal for in-law suites, rental income or guest houses. Serving NYC homeowners with expert remodeling solutions on time & within budget.
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Westchester Modular Homes Inc.
30 Reagans Mill Road, Wingdale, NY 12594
38.5 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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ADU Advisory
124 East 14th Street, New York, NY 10003
39.6 miles
ADU Advisory is a NYC-based organization led by former Buildings Commissioner Robert LiMandri, helping property owners plan, permit, fund, and build accessory dwelling units (ADUs) across all five boroughs under City of YES regulations.
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Kling Brothers Builders
103 South Main Street, Newtown, CT 06470
31 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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Cascella and Sons
70 Carleton Avenue, Central Islip, NY 11722
25.3 miles
Cascella and Sons Construction Corp builds home additions and ADUs on Long Island. As a design-build firm, they manage design and construction under one roof, offering garage conversions, in-law suites, and detached ADUs tailored to Cape, Ranch, and Colonial-style homes.
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BIOS Homes
29 Broadview Heights Extension, Thomaston, CT 06787
42.8 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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New Hampton Construction
12 Little Neck Road, Centerport, NY 11721
16 miles
New Hampton Construction builds custom ADUs on Long Island, including in-law suites, guest houses, rental units & home offices. Projects range from $100K–$300K+, take 4–8 months, and may qualify for Plus One ADU Program grants.
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Home Quality Remodeling
40 East Midland Avenue, Paramus, NJ 07652
35 miles
Home Quality Remodeling offers full-service ADU construction in New Jersey, including detached ADUs, garage conversions, in-law suites, and granny flats. They handle design, permitting, and building to boost property value and add flexible living space.
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SpecLand Group
240-19 Jamaica Avenue, Bellerose, NY 11426
31.4 miles
At SpecLand, we bring expertise and innovation to home renovations, with a focus on maximizing both functionality and value in New York’s unique urban landscape. Whether you’re looking to expand your home, create rental opportunities, or update your living space, our team is dedicated to delivering high-quality, customized solutions that meet your specific needs.
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Alec's Construction
1 South Ocean Avenue, Patchogue, NY 11772
32.3 miles
Alec's Construction builds ADUs on Long Island, including garage conversions, basement units & detached cottages. Serving Suffolk County, they handle permits, design & construction. Costs range from $50K–$300K+.
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Ethics Home Building and Remodeling, LLC.
228 Beths Avenue, Bristol, CT 06010
48.4 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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ADU Remodeling New York
124 Front Street, Bethpage, NY 11762
25.6 miles
ADU Remodeling New York offers full-service interior & exterior home renovation, including kitchen remodeling, bathroom remodeling, and flooring installation. Serving residential clients with expert design-to-completion project management.
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Peragallo Construction
500 South Brooksvale Road, Cheshire, CT 06410
35.5 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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Other cities in Connecticut
What you need to know
Searching for top Attached ADU ADU Contractors in Norwalk, Connecticut? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Attached ADU ADU Contractor in Norwalk 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 Attached ADU professionals can guide you through every step.
Norwalk homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in Norwalk, Connecticut, and get started today.