Attached ADU in South Carolina

Baywater Custom Builders is a premier ADU contractor in South Carolina & Georgia's Lowcountry. With 75+ years of experience, they specialize in detached ADUs, garage conversions, in-law suites & granny flats, boosting property value and rental income.

JOST is a family-owned custom home builder in Columbia, SC, founded by John Strevens in 2020. Rooted in generations of Irish craftsmanship, JOST follows a Design, Plan, Build process, delivering quality, transparent, client-focused custom home construction.

Nunley Custom Homes builds ADUs in Greenville, SC—detached units, garage conversions, basement & attic ADUs. Costs range $150–$400/sq ft. Full permitting, zoning, and construction management included. 34+ years experience.

Charleston ADU Co builds custom ADUs in Charleston, SC, offering detached units, garage conversions & basement conversions. Enjoy free 3D design, 6-month delivery, 12-month warranty & no payments for 18 months.

D.A.R.T Construction builds ADUs across South Carolina, including detached backyard cottages, garage apartments, in-law suites & granny flats. They manage permits, inspections & utility coordination with a structured, phased build process.

Bradley Knapp Homes is a leading ADU builder in South Carolina with 26+ years of experience. They offer custom homes, detached ADUs, pool houses, and home offices with full permitting support, financing options, and a 10-year workmanship warranty.

Bald Cypress Builders LLC follows a 3-phase remodeling process: Explore & Understand, Design & Plan, and Build & Bring to Life. Clients complete a questionnaire, collaborate on designs, and receive regular updates through to a final walkthrough.

Concrete foundations for ADUs in Greenville County, SC offer durability, moisture resistance, and low maintenance. Virtue Concrete provides expert residential and commercial concrete services across Upstate South Carolina, including Anderson, Spartanburg, and Pickens counties.

Charleston ADU Co. builds accessory dwelling units in Charleston, SC. Services include detached ADUs, garage conversions, and basement conversions. Free site evaluation, 3D design, 6-month delivery guarantee, and flexible financing available.