Mold Removal Cost And Risk In ZIP 57645 SD

A typical professional mold job in ZIP 57645 runs about $1,300 to $5,200 before rebuild. Half the homes here were built before 1938, older than the Corson County median of 1973.

1938Median year homes were built

89%Homes built before 1980

10%Homes rented, not owned

$37,100Median home value

Not publishedMedian gross rent

93Housing units

Neighborhood figures for ZIP Code Tabulation Area 57645 from Census ACS 2019 to 2023.

89 percent of homes in 57645 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 10 percent of homes here are rented, against 40 percent across Corson County, so most households carry an owner's policy on the building.

The top of a typical mold job here, $5,200, is about 14.0 percent of the median home value of $37,100.

Typical Prices In 57645

JobSizeNational Range57645 Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,300 to $5,200
Mold Remediationan attic$2,000 to $7,500$1,750 to $6,500
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 86.7 divided by 100, the price level for the nonmetro part of South Dakota, 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 $5,200, that cap falls short by about $200 at the top of that range. Read the form

Water Hazards FEMA Rates For Corson County

FEMA rates Corson County high for cold wave. 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 floodingVery Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively High
Winter weatherRelatively Moderate

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

South Dakota Rules On Mold

Nearby ZIP Codes In Corson County

Part of Corson County, South Dakota.

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57645, SD Area

Corson County