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ADU Builders in South Carolina

Find the best ADU builders and contractors across South Carolina. Browse 12 cities with 34 verified builders ready to help with your accessory dwelling unit project.

34builders
12cities

Top Cities in South Carolina

Columbia

5

Pop. 133,358

Charleston

10

Pop. 127,999

North Charleston

5

Pop. 104,054

Mount Pleasant

2

Pop. 74,885

Rock Hill

2

Pop. 69,103

Greenville

2

Pop. 61,397

Summerville

2

Pop. 46,074

Sumter

2

Pop. 41,190

Goose Creek

2

Pop. 39,823

Hilton Head Island

0

Pop. 39,412

Florence

0

Pop. 37,792

Spartanburg

0

Pop. 37,647

Top Rated Builders in South Carolina

ADU Services in South Carolina

ADU Builders

Full-service ADU construction companies that handle everything from design to completion.

ColumbiaCharlestonNorth Charleston

Garage Conversion

Specialists in converting existing garages into livable accessory dwelling units.

ColumbiaCharlestonNorth Charleston

Prefab ADU

Companies that manufacture and install prefabricated accessory dwelling units.

ColumbiaCharlestonNorth Charleston

Custom ADU

Builders specializing in custom-designed ADUs tailored to your property and needs.

ColumbiaCharlestonNorth Charleston

Backyard Cottage

Builders focused on detached backyard cottages and guest houses.

ColumbiaCharlestonNorth Charleston

In-Law Suite

Contractors specializing in attached or detached in-law suites and granny flats.

ColumbiaCharlestonNorth Charleston

ADU Design-Build

Firms offering integrated design and construction services for ADUs.

ColumbiaCharlestonNorth Charleston

Tiny Home Builders

Builders specializing in tiny homes and compact living spaces.

ColumbiaCharlestonNorth Charleston

ADU Contractors

Licensed general contractors experienced in ADU construction and renovation.

ColumbiaCharlestonNorth Charleston

ADU Permit Services

Companies that help navigate ADU permitting, zoning, and regulatory requirements.

ColumbiaCharlestonNorth Charleston

About ADU Construction in South Carolina

South Carolina is home to a growing ADU market with 34 builders across 12 cities. Accessory dwelling units are becoming increasingly popular in South Carolina as homeowners look for ways to add living space, generate rental income, or provide housing for family members. Whether you're looking for a prefab ADU, custom-built backyard cottage, garage conversion, or in-law suite, our directory helps you find experienced local builders who understand South Carolina's building codes and permit requirements.

ADU regulations vary by city and county in South Carolina. Many municipalities have recently updated their zoning laws to make it easier to build ADUs. Our listed builders can help you navigate local regulations, obtain necessary permits, and complete your project on time and within budget.

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