Madison County, Illinois

Challenge a revised county house value in Madison County.

For Madison County homeowners who need to confirm the wEDGE property record, comparable sales, and Board of Review filing guidance before deciding whether to appeal.

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.

2026 township filing windows closed (verified)

Madison County publishes a township assessment list in a local newspaper; appeals must be filed within 30 days of that publication date. HomeTaxChallenge verified the 2026 township publication table on the Chief County Assessment Office site — every township window closed by September 21, 2026 (Wood River). Check with your assessor or the Madison County Board of Review for the next year's dates before filing.

  • 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 Madison County parcel number like 241011900000011 or a street address.