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Cook County Illinois
Board of Review
The Board of Review is a government office that provides the taxpayers of Cook County an opportunity to appeal the over-valuation of property assessments

Quick Help Guide

  • BOR Portal Login
  • Submit an Appeal

Commissioner Menu

  • Commissioner George A. Cardenas
  • Commissioner Samantha Steele
  • Commissioner Larry Rogers, Jr.

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  • What We Do
    • Assessment Appeals
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    • Tax Year 2024 Assessed Values Dashboards

Tax Year 2024 Assessed Values Dashboard now available

The Board of Review is currently accepting property assessment appeals. Click here to submit an appeal, or for more information.

Historical Dates

  • 2025 Township and Exemption Dates & Deadlines
  • 2024 Township and Exemption Dates & Deadlines
  • 2023 Township and Exemption Dates & Deadlines
  • 2022 Township and Exemption Dates & Deadlines
  • 2021 Township and Exemption Dates & Deadlines
  • 2020 Township and Exemption Dates & Deadlines
  • Township Triennial Reassessment Schedules

 

Home
Cook County Illinois
Board of Review
The Board of Review is a government office that provides the taxpayers of Cook County an opportunity to appeal the over-valuation of property assessments

The Board of Review is open to the public, Monday through Friday, 9 AM - 5 PM

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© 2025 • Cook County Board of Review | 118 N. Clark Street, Chicago, Il 60602 | Ph: 312-603-5542 Fax: 312-603-3479