Cook County Board of Review Opens Fourth Group of Townships for 2026 Property Tax Appeal Season


Cook County Board of Review Opens Fourth Group of Townships for 2026 Property Tax Appeal Season

BARRINGTON, BREMEN, CALUMET, HYDE PARK, LEMONT

WHAT:
The Cook County Board of Review (CCBOR) will begin accepting 2026 property tax assessment appeals for the fourth group of townships. The fourth group will open for filing on Monday, November 9, 2026. Property owners in these designated townships are encouraged to review their assessments and file an appeal if they believe their assessed value is inaccurate.The filing period for Group 4 will close on Tuesday, December 8.

The Board provides an independent review of property assessments and offers a free, transparent appeal process for all Cook County taxpayers. Property owners in the 38 townships of Cook County will have an opportunity to file this year.

WHERE:
Appeals may be filed online at www.cookcountyboardofreview.com or through attorneys or authorized tax representatives. They may also be filed in person at the Cook County Board of Review office Monday-Friday from 9 a.m. to 5 p.m., located at 118 N Clark St., Chicago, IL 60602. There is no fee to file an appeal. 

The Pre-file period (Non-Attorneys) is also currently open and allows all filers to submit their appeal before each township officially opens. Please be advised that the Pre-file period will end once the respective township is open.

OPENING TOWNSHIPS EFFECTIVE OCTOBER 8:

BARRINGTON, BREMEN, CALUMET, HYDE PARK, LEMONT

WHY IT MATTERS:
The Board of Review serves as the second level of appeal in the Cook County property tax assessment process, ensuring taxpayers have access to an independent review of their assessments. During the 2025 tax year, the Board processed a record 290,533 appeals, underscoring the importance of this taxpayer protection.

For more information, filing deadlines, and educational resources, visit www.cookcountyboardofreview.com or call 312-603-5542.

About the Cook County Board of Review

The Cook County Board of Review is an independent, quasi-judicial government agency responsible for reviewing and adjudicating property tax assessment appeals in Cook County, Illinois. Comprising three independently elected commissioners, the Board provides property owners with an accessible, impartial process to appeal the assessed valuation of their properties. Committed to fairness, transparency, and public service, the Board works to ensure that property assessments are equitable and accurately reflect market values. Through community outreach, taxpayer education, and a commitment to operational excellence, the Board strives to protect the rights of property owners and promote public confidence in the property assessment appeals process.

For more information about the Cook County Board of Review or how to file a property tax assessment appeal, visit www.cookcountyboardofreview.com.


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