Knox County, Illinois

Challenge a revised county house value in Knox County.

For Knox County homeowners who need to confirm the wEDGE property record, the October 19 filing deadline, and the Board of Review residential complaint before filing.

County-confirmed parcel lookup Nearby public sales comps Transparent low / mid / high savings range
How we help: Download a free appeal-readiness summary first. If the case looks worth filing, we can prepare the full submission package for a flat fee. No representation agreement is required.

One county-wide October 19 deadline

Knox County's 2026 Board of Review appeal window is open from September 17 through October 19, 2026 for the whole county. Drop-offs and emailed complaints are due by 4:00 p.m. on October 19; mailed complaints need an October 19 postmark. Faxed complaints are not accepted.

  • Search by parcel number or street address
  • See the county's house value and nearby comparable sales
  • Download your estimate after entering your email
  • Check the 2026 township deadline tracker.

Step 1

Find the property

Enter a Knox County parcel number like 99-03-305-009 or a street address.