Mold Removal Cost And Risk In Lewis County, MO

A typical professional mold job in Lewis 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.

1968Median year homes were built

67%Homes built before 1980

23%Homes rented, not owned

$118,900Median home value

4,315Housing units

9,945People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Lewis County were built before 1968, and 67 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 23 percent of homes in Lewis County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 63447 has the oldest homes here, a median year of 1960, and ZIP 63440 the newest, 1984.

Typical Prices In Lewis County

JobSizeNational RangeLewis 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 Lewis County.

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

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

ZIP Code Neighborhoods In Lewis County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
63435Lewis County196768%$133,800
63438Lewis County198344%$95,200
63440Lewis County198447%$127,600
63447Lewis County196076%$85,000
63448Lewis County196870%$118,800
63452Lewis County196675%$88,200
63457Lewis County198246%$179,900
63473Lewis County196885%$164,800

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

All Missouri Mold And Insurance Rules lines

All Missouri counties

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Area Map

Lewis County Area

Quincy, IL-MO