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

For a streamlined filing process and stronger valuation analysis, Cook County Tax Appeals can prepare and submit your appeal on your behalf.