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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

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  • BOR Portal Login
  • Submit an Appeal

Commissioner Menu

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

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    • Tax Year 2024 Assessed Values Dashboards

Tax Year 2024 Assessed Values Dashboard now available

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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© 2026 • Cook County Board of Review | 118 N. Clark Street, Chicago, Il 60602 | Ph: 312-603-5542 Fax: 312-603-3479