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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.

Main navigation

  • What We Do
    • Assessment Appeals
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    • Property Tax Appeal Board (PTAB)
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    • Board Of Review Official Rules
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    • How the Property Tax System works

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