Please use this form if a change in the property's location address is required.

Print and mail a pdf form to our Office, please download the pdf form below and mail to:

Cook County Assessor's Office
118 N. Clark St. Room 320
Chicago IL 60602

Note: this does not change the property's taxpayer's name or mailing address. To change the taxpayer's name or mailing address for this property, please visit the Treasurer's website.