Williamson County, Illinois — from the county's own assessment roll.
6,422parcels in Herrin
142with a published assessment
$16,505median assessed value
0above the local median
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 Herrin 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.