Welcome to Assessor Property Details Search!

Important: This site provides access to the Cook County Assessor’s Office property records database. To access the records, you can search by your Property Index Number (PIN) or by Address.


The Assessor and the County of Cook try to ensure that the information made available on https://assessorpropertydetails.cookcountyil.gov is accurate and complete. We cannot guarantee against unauthorized modifications of information or errors made in posting data.

The Assessor and Cook County do not represent or warrant that access to the service will be uninterrupted or that there will be no failures, errors or omissions or loss of transmitted information. We assume no liability or responsibility for the quality, content, accuracy, or completeness of the information, text, graphics, links and any other items contained on this service or any other system or service. The materials contained on this site have been compiled from a variety of sources and are subject to change without notice. By making use of the materials contained on this site, the user of such materials agrees to accept them as is, without guarantees of warranties as to accuracy.

The information, documents and related graphics published on this website could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein. Cook County and/or the Assessor may make improvements and/or changes in the services and/or the content(s) described herein at any time. By making use of the information, documents and related graphics published on this website, the user of such information, documents and related graphics accepts and agrees to be bound by the conditions and limitations set forth herein.