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Wonder Lake property assessments

Mchenry County, Illinois — from the county's own assessment roll.

6,742parcels in Wonder Lake
98with a published assessment
$56,092median assessed value
1above the local median

The typical parcel above the line carries $5,684 of assessed value more than the median for like-classified land in Wonder Lake, where that median works out at about $0.91 per square foot of land.

A median has half of everything above it by definition, boards do not grant every uniformity claim, and being above a median is a ground to argue rather than proof of error. These are assessed values, not tax bills.

Deadline

30 days from the publication of your township's assessment roll in the local newspaper. The window is short and it is not the same date across the county. Confirm it against your own notice — a late filing cannot be cured.

How to check your own

Type your Wonder Lake address and you get the verdict, the comparison and the arithmetic — free, without an account. If it says there is nothing there, it says so: roughly a third of properties get told not to file.

Check your Wonder Lake address

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