CopeGrand Homes LLC
Charleston, SC
5.05.0(0 reviews)
ADU ConstructionCustom Home Building
CopeGrand Homes LLC. Home builder. Open 24 hours
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ADU BuildersCharleston, SC
Best ADU builders in Charleston, South Carolina
Looking for the best ADU builders in Charleston, South Carolina? Our directory features 9 vetted adu builders serving the Charleston area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
9 adu builders found
Average rating: 4.8
Top ADU builders in Charleston
Oak Angel Builders
Charleston, SC
5.05.0(0 reviews)
ADU ConstructionCustom Home BuildingGeneral Contracting
Oak Angel Builders. Custom home builder. 1128 Lango Ave #201, Charleston, SC 29407, United States
Distinct Builders LLC
Charleston, SC
5.05.0(0 reviews)
ADU ConstructionGeneral Contracting
Distinct Builders LLC. General contractor. 668 Marina Dr A2, Charleston, SC 29492, United States
Featured
National Home Works
Charleston, SC
5.05.0(14 reviews)
ADU ConstructionBackyard Cottage
Specializing in ADU construction and related services in Charleston, SC.
Arnett Custom Homes, LLC
Charleston, SC
5.05.0(0 reviews)
ADU ConstructionCustom Home BuildingGeneral Contracting
Arnett Custom Homes, LLC. Custom home builder. 1 Cool Blow St Suite 322, Charleston, SC 29403
A Builder LLC
Charleston, SC
5.05.0(0 reviews)
ADU ConstructionGeneral ContractingRemodeling
A Builder LLC. Contractor. 629 Riverland Dr, Charleston, SC 29412, United States
Design Builders Inc.
Charleston, SC
4.94.9(0 reviews)
ADU ConstructionCustom Home BuildingRemodeling
Design Builders Inc.. Home builder. 694 Wildwood Rd, Charleston, SC 29412, United States
Horizon Building Co
Charleston, SC
4.14.1(24 reviews)
Prefab ADUADU Planning
Specializing in ADU construction and related services in Charleston, SC.
Expert ADU Design Build
Charleston, SC
4.14.1(15 reviews)
Custom ADUDesign-Build ADU
Specializing in ADU construction and related services in Charleston, SC.
Why Choose ADU Builders in Charleston?
Charleston is one of the top markets for accessory dwelling units in South Carolina. With growing demand for affordable housing, ADU construction in Charleston offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of adu builders in Charleston helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
What to Look for in ADU builders
- 1Licensed and insured adu builders with experience in Charleston
- 2Knowledge of Charleston zoning laws and ADU permit requirements
- 3Portfolio of completed ADU projects in the Charleston area
- 4Transparent pricing and detailed project timelines
- 5Strong reviews and ratings from local homeowners
- 6Warranty coverage on construction and materials
Frequently Asked Questions
How much does it cost to build an ADU in Charleston?
ADU construction costs in Charleston typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed adu builders to compare prices.
Do I need a permit to build an ADU in Charleston, South Carolina?
Yes, ADU construction in Charleston requires building permits. South Carolina has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
How long does it take to build an ADU in Charleston?
ADU construction timelines in Charleston typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.