Mold Removal Cost And Risk In DeKalb County, IL

A typical professional mold job in DeKalb County runs about $1,550 to $6,200 before rebuild, using the Chicago-Naperville-Elgin, IL-IN price level. Below are the 13 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Illinois rules.

1978Median year homes were built

53%Homes built before 1980

39%Homes rented, not owned

$231,900Median home value

41,499Housing units

100,512People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $29.49 an hour, BLS May 2025 wage survey.

Half the homes in DeKalb County were built before 1978, and 53 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 39 percent of homes in DeKalb County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 60556 has the oldest homes here, a median year of 1950, and ZIP 60112 the newest, 1995.

Typical Prices In DeKalb County

JobSizeNational RangeDeKalb County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,550 to $6,200
Mold Remediationan attic$2,000 to $7,500$2,050 to $7,750
Mold Inspection and Testinga visual inspection$200 to $600$200 to $600
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $1,050
Mold Inspection and Testinga clearance test$300 to $800$300 to $850

Estimate is the national range times 103.6 divided by 100, the price level for Chicago-Naperville-Elgin, IL-IN, 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 $6,200, that cap falls short by about $1,200 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates DeKalb County high for cold wave. 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 Moderate
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveRelatively High
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In DeKalb County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
60111DeKalb County195266%$373,500
60112Cortland199534%$202,400
60115DeKalb County197756%$205,700
60135DeKalb County199147%$238,000
60145DeKalb County197855%$251,800
60146DeKalb County197457%$209,400
60150DeKalb County196468%$183,800
60178DeKalb County199042%$262,700
60520DeKalb County197366%$292,600
60548DeKalb County198445%$240,000
60550DeKalb County196175%$192,500
60552DeKalb County197562%$245,300
60556DeKalb County195071%$242,900

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

Illinois Mold And Insurance Rules

All Illinois Mold And Insurance Rules lines

Illinois Department of Insurance

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Area Map

DeKalb County Area

Chicago-Naperville-Elgin, IL-IN