Mold Removal Cost And Risk In Williamsburg County, SC

A typical professional mold job in Williamsburg County runs about $1,300 to $5,150 before rebuild, using the South Carolina nonmetro price level. Below are the 7 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and South Carolina rules.

1985Median year homes were built

40%Homes built before 1980

25%Homes rented, not owned

$95,100Median home value

14,837Housing units

30,517People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Williamsburg County were built before 1985, and 40 percent went up before 1980. Older plumbing, roofs and window seals are where slow leaks start, and slow leaks are the mold most home policies leave out. About 25 percent of homes in Williamsburg County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 29580 has the oldest homes here, a median year of 1981, and ZIP 29518 the newest, 1991.

Typical Prices In Williamsburg County

JobSizeNational RangeWilliamsburg County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,300 to $5,150
Mold Remediationan attic$2,000 to $7,500$1,700 to $6,450
Mold Inspection and Testinga visual inspection$200 to $600$150 to $500
Mold Inspection and Testingan inspection with samples$300 to $1,000$250 to $850
Mold Inspection and Testinga clearance test$300 to $800$250 to $700

Estimate is the national range times 86.2 divided by 100, the price level for the nonmetro part of the state, rounded to $50. National ranges from Remediational cost guide, price level from BEA Regional Price Parities 2024.

The standard limited fungi endorsement caps mold at $5,000. Against a typical job here of up to $5,150, that cap falls short by about $150 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Williamsburg County high for hurricane. Water from these events is where mold claims start, and flood water is a separate policy. FloodSmart says mold damage is not covered under standard NFIP flood policies. FloodSmart

HazardFEMA Risk Rating
Inland floodingRelatively Low
Coastal floodingVery Low
HurricaneRelatively High
Cold waveRelatively Moderate
Winter weatherRelatively Low

Source FEMA National Risk Index, December 2025, county level.

ZIP Code Neighborhoods In Williamsburg County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
29056Williamsburg County198832%$73,900
29510Williamsburg County198537%$109,300
29518Williamsburg County199141%$151,100
29556Williamsburg County198442%$100,700
29564Williamsburg County198742%$78,600
29580Williamsburg County198149%$86,300
29590Williamsburg County199134%$74,700

ZIP areas are Census ZIP Code Tabulation Areas, placed in the county that holds most of their land, per the Census 2020 ZIP relationship files.

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