Detached ADU near Norwalk, CT
Contemporary Tiny Homes
40 Richards Avenue, Suite 740, Norwalk, CT 06854
2.1 miles
Expert ADU builder offering detached ADUs, garage conversions & backyard cottages. Structured process: feasibility, permits, construction & final walkthrough. Boost property value, enable multigenerational living & create flexible spaces.
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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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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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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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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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Haven ADUs
348 Nostrand Avenue, Brooklyn, NY 11216
40.4 miles
Haven ADUs is a Brooklyn-based design and project management firm specializing in accessory dwelling units (ADUs). They guide property owners through feasibility, design, permitting, and construction, serving as a single point of contact throughout.
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Sunwood Home Builders & Remodelers
273 North Colony Street, Wallingford, CT 06492
39.3 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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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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Tiny House Titans
Yorktown Heights, NY 10598
21.7 miles
Tiny House Titans is a Northeast ADU contractor founded in 2025, offering turn-key services from zoning to final inspection. Units range 200–1,000+ sq ft at $250–$400/sq ft, covering detached ADUs, garage conversions, and JADUs.
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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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Two Stories Woodworking LLC
940 W Creek Ave, Cutchogue, NY 11935
49.9 miles
Two Stories Woodworking LLC, Suffolk NY's trusted ADU builder & remodeling contractor. Specializing in kitchen, bathroom, basement remodels, home additions & accessory dwelling units. 350+ homes transformed with expert craftsmanship & stress-free service.
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CT ADU
30 Old Kings Highway South, Darien Downtown, CT 06820
3.7 miles
Trusted Connecticut ADU builder offering custom, modular & prefab accessory dwelling units. Energy-efficient designs, full permitting support & streamlined build process. Expert navigation of CT zoning laws including 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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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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SLK Buildings
295 Madison Avenue, New York, NY 10017
38.4 miles
SLK Buildings offers end-to-end ADU financing support in NYC, helping homeowners access HPD grants, HELOCs, construction loans, and cash-out refinancing to fund garage conversions, basement ADUs, and backyard additions.
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Other cities in Connecticut
What you need to know
Searching for top Detached 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 Detached 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 Detached 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 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 Norwalk, Connecticut, and get started today.