Remind Your Clients: October 1 is the Last Day to Pay Property Taxes Without Late Fee | Chicago Association of REALTORS®

City of Chicago property taxes must be paid by Thursday, October 1, to avoid significant late fees. To download a copy of your tax bill or to make a payment:

  • Visit cookcountytreasurer.com.
  • Select the blue box labeled “Pay Online for Free”
  • Search by property address or enter your Property Index Number (PIN)
  • There is no fee if you pay from your bank account

After October 1, any balance will be charged an additional 1.5% for each additional month the bill is not paid.