COVID-19 Adjustments to Property Values

May 28, 2020: See how the Assessor's Office calculated COVID-19 Adjustments to property values of homes and commercial properties in the South and West suburbs.

Please note that offices are currently closed to public visitors. Here's how to access services and assistance.

Online tools

Cook County

Many exemptions, appeals, and supporting documents can now be filed online with the Cook County Assessor's Office.

For Homeowners


The deadline to apply for property tax-saving exemptions was Friday, April 10. 

For Business Owners

Business Owners

Learn about commercial property reassessments and find incentives and tools for business owners.

Latest News

Mailing Contains Assessor’s COVID-19 Adjustment to Property Values

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