Detached ADU near Darien Downtown, CT
Second Key NYC
157 13th Street, Brooklyn, NY 11215
39.2 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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Contemporary Tiny Homes
40 Richards Avenue, Suite 740, Norwalk, CT 06854
1.5 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 spac... read more
Huts
273 Smith Street, Brooklyn, NY 11231
38.6 miles
Huts offers full-service ADU design and build, handling zoning, permits, and construction. Their flexible designs suit in-law suites, rentals, or guest stays. Transparent pricing, cost control, and financing guidance help property owners maximize ... read more
Fine Home Contracting
70 Spruce Brook Road, Plymouth, CT 06782
42.9 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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ADU Remodeling New York
124 Front Street, Bethpage, NY 11762
22.8 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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New Hampton Construction
12 Little Neck Road, Centerport, NY 11721
14.2 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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SLK Buildings
295 Madison Avenue, New York, NY 10017
34.8 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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SpecLand Group
240-19 Jamaica Avenue, Bellerose, NY 11426
27.9 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 updat... read more
Alec's Construction
1 South Ocean Avenue, Patchogue, NY 11772
32.2 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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Cascella and Sons
70 Carleton Avenue, Central Islip, NY 11722
24.4 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, a... read more
Dacaj Construction
266 Pelham Road, New Rochelle, NY 10805
20.1 miles
Dacaj Construction builds legal ADUs across NYC, Westchester & Nassau County. Specializing in garage, basement, attic & detached cottage conversions, they guide homeowners through zoning eligibility, DOB permits & certificate of occupa... read more
Westchester Modular Homes Inc.
30 Reagans Mill Road, Wingdale, NY 12594
40.7 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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Unit Two Development
7802 37th Avenue #720075, Jackson Heights, NY 11372
31.2 miles
Unit Two Development is a Queens-based ADU builder helping NYC homeowners add backyard cottages, garage conversions, basement apartments & interior units. They guide clients from feasibility to construction with expert ADU specialists.
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BIOS Homes
29 Broadview Heights Extension, Thomaston, CT 06787
46.2 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 Haus NY
139-27 Queens Boulevard, Brairwood, NY 11435
31.4 miles
ADU Haus NY builds fully permitted accessory dwelling units in New York City. Founded by Elai Azour, they handle design, DOB filings, and installation, ensuring compliance with NYC's City of Yes initiative and Local Laws 126 and 127.
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Other cities in Connecticut
What you need to know
Searching for top Detached ADU ADU Contractors in Darien Downtown, 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 Darien Downtown 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.
Darien Downtown 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 Darien Downtown, Connecticut, and get started today.