Mold Removal Cost And Risk In Franklin County, IL

A typical professional mold job in Franklin County runs about $1,300 to $5,250 before rebuild, using the Illinois nonmetro price level. Below are the 16 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Illinois rules.

1965Median year homes were built

70%Homes built before 1980

25%Homes rented, not owned

$87,700Median home value

18,468Housing units

37,541People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Franklin County were built before 1965, and 70 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 25 percent of homes in Franklin County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 62999 has the oldest homes here, a median year of 1938, and ZIP 62865 the newest, 1986.

Typical Prices In Franklin County

JobSizeNational RangeFranklin 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 Franklin County high for 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 Low
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveRelatively High
Winter weatherRelatively High

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

ZIP Code Neighborhoods In Franklin County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
62812Franklin County196669%$100,900
62819Franklin County195080%$51,800
62822Christopher195490%$70,900
62825North City196371%$71,700
62836Franklin County197655%$99,400
62856Hanaford198147%$56,100
62860Franklin County198342%$114,600
62865Franklin County198642%$154,800
62874Franklin County194772%$51,000
62884Franklin County196468%$93,800
62890Franklin County198346%$99,500
62891Valier194889%$68,500
62896Franklin County196675%$88,000
62897Franklin County197954%$85,900
62983Franklin County195872%$65,900
62999Franklin County193882%$52,900

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.

Illinois Rules On Mold

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