What is the Cook County Assessor’s policy for filing appeals?
The Cook County Assessor allows property owners to challenge their assessed value during their township’s open appeal window.
Key policy points:
Appeals must be filed during your township’s designated filing period.
There is no filing fee at the Assessor level.
Appeals must include supporting evidence.
You may file online through the Cook County Assessor’s Office at cookcountyassessor.com.
If denied, you may appeal to the Cook County Board of Review at cookcountyboardofreview.com.
Who can file:
Property owners
Attorneys
Authorized tax representatives
Common appeal grounds:
Overvaluation
Incorrect property characteristics
Lack of uniformity compared to similar properties
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Find Your Township’s Cook County Property Tax Appeal DeadlineCheck Your Tax Evaluation