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Certificates of Error Filings for Valuations

 If your Certificate of Error for valuation corrections has been approved and you are waiting for a refund, please check with the Cook County Treasurer’s Office for updates on timing of refunds. Check this alert banner for regular updates.  

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Form Documents

Category Form
Other 2021 Affidavit: Historic Residence Assessment Freeze
Other Property Destruction Reporting Form
Other Motion to Continue
Other Omitted Assessments Exemption_Other
Other Divisions and Incentives Filing Fees_Other
Other Divisions and Consolidations Instructions_Other
Other Request to List Omitted Assessments
Other Codes for Classification of Property
Other Attorney Representative Authorization_Other
Other Condominium De-Conversion Document Request Form_Other
Other Declaration of Use
Other Deceased Long-Time Occupant Affidavit
Other Website Assessment Search Correction
Other Rules of Procedure
Other New Construction Reporting Form
Other Appearance
Other Database Subscription Agreement
Other Divisions and Consolidations Application_Other
Other Description_Other
Other Vacancy Affidavit for 10 or more stories_Other
Other Sales Questionnaire_Other
Other General Affidavit_Other
Other Property Age Change Affidavit
Other Property Location Correction
Other Terminate Leasehold Affidavit
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Fritz Kaegi, Cook County Assessor

118 North Clark Street • Third Floor, Room #320 • Chicago, IL 60602

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