Appeal Process Guide

Stage 1 Local Assessor's Office

  • County Assessor's open townships for appeals throughout the year
  • Once a township has opened for filing appeals there is at least 30 days to file an appeal

Stage 2 County Board of Review

  • The Board of Review opens townships for appeals throughout the year
  • Once a township has opened for filing appeals there is at least 30 days to file an appeal

Stage 3 State of Illinois - Property Tax Appeal Board (PTAB)

  • A PTAB appeal must be submitted within 30 days of the date on the Board of Review Final Result Letter

First and Second Installment Tax Bill

  • The Cook County first installment tax bill is always estimated at 55% of the last years total tax paid
  • The Cook County second installment tax bill reflects all assessment reductions and exemptions
Important Note

All assessment reductions obtained in Cook County will appear on the second installment tax bill.