Attached ADU in North Carolina

BOLD Construction builds ADUs in Chapel Hill, Orange & Chatham County. Costs range $350–$500/sqft. Services include detached ADUs, garage conversions & in-law suites with a transparent fixed-price design-build process.

From your first call to getting the keys — here's exactly what to expect.

We've designed a clear, step-by-step process so you always know what's happening, what comes next, and what it costs. No surprises. No guesswork.

Carolina's Building Company is Charlotte's trusted ADU contractor, offering full-service accessory dwelling units including backyard cottages, garage conversions, and interior conversions. They handle design, permitting, and construction with transparent pricing.

An ADU is a self-contained living space on the same lot as a primary home. Palmer Custom Builders, Charlotte NC's trusted ADU contractor with 40+ years experience, builds detached, attached, garage conversion, and basement ADUs, boosting property value up to 35%.

CoCreations Construction & Design is a Durham, NC firm serving the Triangle area, specializing in custom homes, ADUs, and large-scale renovations. They guide clients from design to completion with expert craftsmanship and personalized solutions.

Paradise Found Construction is a licensed ADU builder and home addition contractor serving Cary, Raleigh, Apex, Wake Forest, and Holly Springs, NC. Specializing in ADUs, in-law suites, aging-in-place design, and whole-home renovations.

Cook Contractors builds ADUs in Whiteville & Southeastern NC. Services include detached, attached, garage conversion & basement ADUs. Transparent pricing, local permits handled, custom designs, 4–8 month timelines. HELOC financing options available.

Branch Home Improvement LLC is a licensed, family-owned contractor in Holly Springs, NC, with 26+ years of experience. Specializing in ADU construction, kitchen remodeling, bathroom renovations, and home additions across the Research Triangle. A+ BBB rated.

Port City ADU builds custom detached ADUs in Wilmington, NC. Founded by contractor Cory Thompson, they handle design, permitting & construction. Projects range $80K–$250K+, taking 5–8 months. Serving Wilmington, Wrightsville Beach & New Hanover County.

Corbett Design Build offers expert ADU construction in Raleigh, Cary & Wake Forest, NC. Services include granny flats, in-law suites & detached ADUs with 3D design, permit handling & a 1-year warranty. Serving homeowners since 1980.

Eastern ADU is a licensed ADU builder in Wilmington, NC, offering custom accessory dwelling unit design and construction across Eastern North Carolina, including detached ADUs, attached units, and garage conversions.

Hopedale Builders Inc. is a Charlotte, NC contractor serving since 1997. Specializing in home additions, kitchen & bathroom remodels, and second-story expansions across South Charlotte neighborhoods like Myers Park, Dilworth, and SouthPark.

Falls Contracting LLC serves Wake County & greater Raleigh, NC, including Apex, Cary, Garner, Morrisville & Holly Springs. Specializing in ADUs, garage conversions & detached units across Raleigh neighborhoods like North Hills, Brentwood & Crabtree Valley.

Island Contractors OBX designs and builds ADUs across Dare, Currituck, and Camden Counties, NC. Certified ADU specialists offering full-service construction, from feasibility and permitting to finished builds tailored to coastal conditions.

ADUs in Charlotte offer homeowners options for rental income, multigenerational living, and added property value. Costs range from $150K to $300K+. Zoning rules apply. Simonini Homes guides clients through design, permitting, and construction.