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Please note that offices are currently closed to public visitors. Here's how to access services and assistance.
Online tools
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
Learn about commercial property reassessments and find incentives and tools for business owners.
Is it too late to apply for exemptions?
If your home was eligible for a homestead exemption in a prior tax year (2016, 2017, or 2018) and you already paid the full tax amount billed for that year, the Assessor’s Office can help you obtain a refund through the Certificate of Error process.
Enter PIN to see property details
Don’t know the property’s PIN? Search by address.
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COOK COUNTY – Recognizing the financial toll of the coronavirus and the pressing need to extend economic relief to area
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