Blog
Feb 27

How to File an Online Appeal with the Cook County Assessor’s Office

All online appeals must be submitted by March 25, 2020, at 5:00 pm.

You may register and file your appeal online at https://propertytaxfilings.cookcountyil.gov/

  1. First, you must create an account with an email address and password. Password requires 8 character minimum and is case sensitive. You will receive a confirmation email to “Activate Your Account” sent by [email protected]. Click on the link to complete the registration process.
  2. Login in with email and password.
  3. Available Filings Select type of appeal – CCAO Appeals – Real Estate Assessed Valuation Appeal (Residential).
  4. Primary PIN Search Enter PIN (no dashes) click “Search”.
  5. Appeal Activity Window checkboxes in the lower left and click “Next” to proceed.
  6. Verify Primary PIN click “Next”.
  7. If requesting a Certificate of Error for past years check appropriate boxes click “Next”.
  8. Additional Subject PIN Entry -If your property has more than one parcel (PIN), follow instructions online, otherwise, click “Next”.
  9. Filer Type – Select Taxpayer/Owner from the drop-down list. Then click “Next”.
  10.  Identification and Status of Taxpayer/Owner Click Hamburger icon”=” to auto-fill. Click “Select”. Check that the information is correct. Update as necessary. Click “Next”.
  11. Residential Assessed Valuation Appeal Characteristics Review the property characteristics and make any necessary corrections.
  12. APPEAL Information check reason for appeal-most likely “Lack of Uniformity/Comparables” Briefly explain the reason: “Subject AV is greater than comparables” Check type of property. Click “Next”.
  13. Attachments – Comparable Property PIN(s) – Required Upload comparable document provided by Riverside Township Assessor.
  14. Submit Enter Name, Phone, Email as your confirmation and electronic signature. PLEASE BE ADVISED – Once you click “Submit” you will NOT be able to make changes or add additional documents to this filing. Your appeal is complete.
  15. Confirmation Print or save the appeal confirmation page for your records. You will also receive an email confirmation from the Cook County Assessor – [email protected]

Click to view/download 2020 Residential Appeal Form

Please call if you need further information or assistance:

Fran Sitkiewicz
Riverside Township Assessor
708-447-7700
[email protected]