Mold Removal Cost And Risk In Harrison County, MO

A typical professional mold job in Harrison County runs about $1,250 to $5,050 before rebuild, using the Missouri nonmetro price level. Below are the 8 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Missouri rules.

1969Median year homes were built

66%Homes built before 1980

27%Homes rented, not owned

$107,400Median home value

4,023Housing units

8,198People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Harrison County were built before 1969, and 66 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 27 percent of homes in Harrison County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 64642 has the oldest homes here, a median year of 1961, and ZIP 64458 the newest, 1988.

Typical Prices In Harrison County

JobSizeNational RangeHarrison County 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 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 $5,050, that cap falls short by about $50 at the top of that range. Read the form

Water Hazards FEMA Rates Here

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

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

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

ZIP Code Neighborhoods In Harrison County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
64424Harrison County196970%$119,700
64426Harrison County196472%$28,200
64442Harrison County197458%$119,200
64458Harrison County198846%Not published
64467Harrison County198249%$237,500
64471Harrison County196665%$75,300
64481Harrison County197555%$103,600
64642Harrison County196175%$87,900

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.

Missouri Rules On Mold

Missouri Mold And Insurance Rules

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Area Map

Harrison County Area

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