Mold Removal Cost And Risk In ZIP 63631 MO

A typical professional mold job in ZIP 63631 runs about $1,250 to $5,050 before rebuild. Half the homes here were built before 1974, older than the Washington County median of 1984.

1974Median year homes were built

63%Homes built before 1980

12%Homes rented, not owned

$138,100Median home value

$763Median gross rent

380Housing units

Neighborhood figures for ZIP Code Tabulation Area 63631 from Census ACS 2019 to 2023.

63 percent of homes in 63631 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 12 percent of homes here are rented, against 24 percent across Washington County, so most households carry an owner's policy on the building.

The top of a typical mold job here, $5,050, is about 3.7 percent of the median home value of $138,100.

Typical Prices In 63631

JobSizeNational Range63631 Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,250 to $5,050
Mold Remediationan attic$2,000 to $7,500$1,700 to $6,300
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 $650

Estimate is the national range times 83.9 divided by 100, the price level for the nonmetro part of Missouri, 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 $5,050, that cap falls short by about $50 at the top of that range. Read the form

Water Hazards FEMA Rates For Washington County

FEMA rates none of the water hazards below as high for Washington County.

HazardFEMA Risk Rating
Inland floodingRelatively Low
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveRelatively Moderate
Winter weatherRelatively Low

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

Missouri Rules On Mold

Nearby ZIP Codes In Washington County

Part of Washington County, Missouri.

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63631, MO Area

Washington County