Mold Removal Cost And Risk In St. Clair County, IL

A typical professional mold job in St. Clair County runs about $1,450 to $5,700 before rebuild, using the St. Louis, MO-IL price level. Below are the 27 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Illinois rules.

1975Median year homes were built

55%Homes built before 1980

32%Homes rented, not owned

$168,800Median home value

115,348Housing units

254,777People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $32.22 an hour, BLS May 2025 wage survey.

Half the homes in St. Clair County were built before 1975, and 55 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 32 percent of homes in St. Clair County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 62205 has the oldest homes here, a median year of 1953, and ZIP 62225 the newest, 1998.

Typical Prices In St. Clair County

JobSizeNational RangeSt. Clair County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,700
Mold Remediationan attic$2,000 to $7,500$1,900 to $7,150
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 95.1 divided by 100, the price level for St. Louis, MO-IL, 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 $5,700, that cap falls short by about $700 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates St. Clair County high for inland flooding, cold wave, winter weather. 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 floodingRelatively High
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveRelatively High
Winter weatherRelatively High

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

ZIP Code Neighborhoods In St. Clair County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
62059Brooklyn196578%$37,200
62201Fairmont City195980%$56,100
62203East St. Louis195782%$72,700
62204Washington Park195688%$48,200
62205East St. Louis195375%$46,200
62206Cahokia196377%$57,700
62207Centreville197752%$54,400
62208Fairview Heights197462%$167,900
62220St. Clair County195472%$141,300
62221St. Clair County198837%$207,200
62223St. Clair County196376%$149,600
62225Scott AFB199824%Not published
62226Swansea197555%$162,500
62232St. Clair County197064%$114,800
62239St. Clair County196858%$111,700
62240St. Clair County197064%$84,800
62243St. Clair County199137%$268,200
62254St. Clair County199337%$196,600
62255St. Clair County197559%$153,400
62257St. Clair County196574%$119,200
62258St. Clair County198444%$229,500
62260St. Clair County197654%$229,600
62264St. Clair County196367%$137,100
62269O'Fallon199626%$274,200
62282St. Clair County198049%$168,800
62285St. Clair County199716%$265,300
62289St. Clair County197757%$73,900

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.

Cities And Towns

Illinois Rules On Mold

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St. Clair County Area

St. Louis, MO-IL