Mold Removal Cost And Risk In Marion County, IL

A typical professional mold job in Marion 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.

1973Median year homes were built

61%Homes built before 1980

26%Homes rented, not owned

$100,100Median home value

17,379Housing units

37,294People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Marion County were built before 1973, and 61 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 26 percent of homes in Marion County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 62801 has the oldest homes here, a median year of 1968, and ZIP 62849 the newest, 1985.

Typical Prices In Marion County

JobSizeNational RangeMarion 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 Marion County.

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

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

ZIP Code Neighborhoods In Marion County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
62801Marion County196868%$91,100
62807Marion County198050%$150,000
62849Marion County198545%$90,800
62853Marion County198248%$79,700
62854Marion County197262%$88,900
62870Marion County197562%$126,600
62875Marion County197065%$103,300
62881Marion County197560%$111,500
62882Marion County197952%$85,800
62892Marion County198446%$95,000

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

All Illinois Mold And Insurance Rules lines

Illinois Department of Insurance

All Illinois Department of Insurance lines

All Illinois counties

Guides

Area Map

Marion County Area

Centralia, IL