Mold Removal Cost And Risk In Washington County, IL

A typical professional mold job in Washington County runs about $1,300 to $5,250 before rebuild, using the Illinois nonmetro price level. Below are the 10 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Illinois rules.

1970Median year homes were built

66%Homes built before 1980

19%Homes rented, not owned

$149,800Median home value

6,402Housing units

13,682People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Washington County were built before 1970, 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 19 percent of homes in Washington County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 62876 has the oldest homes here, a median year of 1959, and ZIP 62808 the newest, 1976.

Typical Prices In Washington County

JobSizeNational RangeWashington County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,300 to $5,250
Mold Remediationan attic$2,000 to $7,500$1,750 to $6,550
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 87.4 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 $5,250, that cap falls short by about $250 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 Washington County.

HazardFEMA Risk Rating
Inland floodingRelatively 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 Washington County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
62214Washington County196674%$175,300
62263Washington County196772%$149,900
62268Washington County197265%$130,000
62271Washington County197164%$167,200
62803Washington County196668%$132,900
62808Washington County197656%$140,500
62831Washington County197461%$131,900
62848Washington County196381%$89,500
62876Washington County195978%$76,700
62877Washington County197662%$116,100

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.

Illinois Rules On Mold

Illinois Mold And Insurance Rules

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Illinois Department of Insurance

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