Crawl Space Encapsulation Cost in South Carolina 2026 Pricing Guide
The average crawl space encapsulation project in South Carolina costs $5,000 in 2026. Prices typically range from $3,250 to $7,250 depending on crawl space size, condition, and the scope of work needed.
South Carolina Crawl Space Cost Quick Facts
Average Cost
$5,000
Cost per Sq Ft
$2.70 – $7.20
Labor Rate
$40 – $60/hr
Climate Zone
Mixed-Humid/Hot-Humid
What Affects Crawl Space Costs in South Carolina?
South Carolina's combination of high humidity, heavy rainfall, and diverse soil types makes crawl space moisture control a priority. The Lowcountry region around Charleston has sandy soils with extremely high water tables, while the Upstate around Greenville has red clay similar to neighboring Georgia and North Carolina. The state's growing population, particularly in the Charleston and Greenville-Spartanburg corridors, has increased demand for crawl space services. Hurricane season brings additional moisture risks to coastal communities. Labor costs remain affordable, keeping projects below the national average.
Soil & Climate
- Climate Zone
- Mixed-Humid/Hot-Humid
- Soil Type
- Clay/Sandy
- Material Costs
- $700 – $3,600
Permits & Labor
- Permit Required
- Yes
- Avg. Permit Cost
- $150
- Labor Rate
- $40 – $60/hr
| Service | Low | High | Average |
|---|---|---|---|
| Full Encapsulation | $3,250 | $7,250 | $5,000 |
| Vapor Barrier Only | $1,250 | $2,750 | $2,000 |
| Mold Remediation | $1,500 | $4,000 | $2,500 |
| Dehumidifier Installation | $600 | $1,750 | $1,100 |
| Insulation | $750 | $2,250 | $1,400 |
| Drainage Systems | $1,250 | $3,500 | $2,250 |
| Structural Repair | $2,500 | $10,000 | $5,500 |
*Costs are estimates based on South Carolina market data for 2026. Actual prices vary by project scope, contractor, and location within the state.
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South Carolina Contractor Licensing & Regulations
South Carolina requires general and mechanical contractors to be licensed through the Contractors' Licensing Board for projects over $5,000. Different license classifications apply depending on project scope. Building permits are required in most jurisdictions, particularly in Charleston and Columbia, for crawl space encapsulation projects.
Licensing Board
Verify your contractor's license through the South Carolina Contractors' Licensing Board .
Always verify that your contractor holds a valid, active license and adequate insurance before signing any contract. Ask for proof of workers' compensation coverage and general liability insurance.
Top Cities for Crawl Space Services in South Carolina
These are the most popular areas for crawl space encapsulation and repair in South Carolina.
Charleston
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Columbia
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North Charleston
SC
Mount Pleasant
SC
Greenville
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