Mold Removal Cost And Risk In McHenry County, IL

A typical professional mold job in McHenry County runs about $1,550 to $6,200 before rebuild, using the Chicago-Naperville-Elgin, IL-IN price level. Below are the 18 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Illinois rules.

1989Median year homes were built

39%Homes built before 1980

17%Homes rented, not owned

$286,900Median home value

120,605Housing units

311,366People

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 McHenry County were built before 1989, and 39 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 17 percent of homes in McHenry County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 60033 has the oldest homes here, a median year of 1974, and ZIP 60142 the newest, 2004.

Typical Prices In McHenry County

JobSizeNational RangeMcHenry 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 McHenry 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 Moderate

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

ZIP Code Neighborhoods In McHenry County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
60012McHenry County199229%$397,100
60013McHenry County198148%$291,000
60014Crystal Lake198445%$296,100
60021Fox River Grove197852%$286,400
60033McHenry County197457%$198,700
60034McHenry County197854%$254,100
60050McHenry198346%$244,500
60051McHenry County198446%$268,000
60071McHenry County198838%$289,800
60072McHenry County198447%$390,200
60081Spring Grove199236%$332,800
60097McHenry County197556%$215,700
60098McHenry County198443%$257,900
60102Algonquin199322%$320,600
60142McHenry County20046%$324,300
60152McHenry County197852%$259,200
60156Lake in the Hills199518%$296,400
60180McHenry County197951%$290,300

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

Illinois Mold And Insurance Rules

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Illinois Department of Insurance

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McHenry County Area

Chicago-Naperville-Elgin, IL-IN