Mold Removal Cost And Risk In Charleston County, SC

A typical professional mold job in Charleston County runs about $1,500 to $6,050 before rebuild, using the Charleston-North Charleston, SC price level. Below are the 25 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and South Carolina rules.

1991Median year homes were built

35%Homes built before 1980

36%Homes rented, not owned

$450,800Median home value

206,299Housing units

414,711People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $23.76 an hour, BLS May 2025 wage survey.

Half the homes in Charleston County were built before 1991, and 35 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 36 percent of homes in Charleston County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 29401 has the oldest homes here, a median year of 1938, and ZIP 29404 the newest, 2007.

Typical Prices In Charleston County

JobSizeNational RangeCharleston County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,500 to $6,050
Mold Remediationan attic$2,000 to $7,500$2,000 to $7,550
Mold Inspection and Testinga visual inspection$200 to $600$200 to $600
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $1,000
Mold Inspection and Testinga clearance test$300 to $800$300 to $800

Estimate is the national range times 101.0 divided by 100, the price level for Charleston-North Charleston, SC, 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 $6,050, that cap falls short by about $1,050 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Charleston County high for coastal flooding, 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 Moderate
Coastal floodingVery High
HurricaneVery High
Cold waveRelatively Moderate
Winter weatherRelatively Moderate

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

ZIP Code Neighborhoods In Charleston County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
29401Charleston193882%$1,165,900
29403Charleston196262%$624,000
29404North Charleston200730%Not published
29405North Charleston196371%$266,200
29406North Charleston199032%$209,700
29407Charleston197167%$407,300
29409CharlestonNot published71%Not published
29412Charleston199037%$458,000
29414Charleston200119%$380,600
29418North Charleston198734%$234,500
29424CharlestonNot published100%Not published
29426Charleston County199530%$210,500
29429Charleston County200716%$479,300
29438Charleston County199217%$556,300
29439Folly Beach198935%$1,004,300
29449Charleston County199528%$404,600
29451Charleston County198632%$1,197,800
29455Charleston County199920%$499,500
29456North Charleston200518%$244,400
29458Charleston County199041%$347,200
29464Mount Pleasant199225%$672,400
29466Mount Pleasant20063%$659,300
29470Charleston County199028%$243,800
29482Sullivan's Island198444%$2,000,001
29487Charleston County198938%$442,100

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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Charleston-North Charleston, SC