The due date for Tax Year 2025 First Installment is WednesdayApril 12026.

The due date for Tax Year 2024 Second Installment was MondayDecember 152025.

The due date for Tax Year 2024 First Installment was TuesdayMarch 42025.

The due date for Tax Year 2023 Second Installment was ThursdayAugust 12024.

The due date for Tax Year 2023 First Installment was FridayMarch 12024.

ATTENTION:  TO AVOID REFUSAL/REJECTION OF PAYMENTS AND LATE PAYMENT STATUTORY INTERESTindividual payments of Cook County property taxes submitted by mail must abide by the following requirements:

• If paying in fullpay only the amount that corresponds to the date that the payment envelope is postmarked by the U.S. Postal Service.
• To ensure that your mailing receives a timely postmarkit is highly encouraged that taxpayers take the mail to a Post Officestationor branch and request a manual (local) postmark at the retail counter.
• Submit one tax bill payment coupon or duplicate bill payment coupon and check per Property Index Number (PIN) per envelope. To pay on more than one propertyyou must submit a separate check with the payment coupon for each property.
• Be sure that your check includes:
  
  
  • Property Index Number (PIN)
  • Taxpayer Name
  • Property Locationincluding Unit Number
  • Mailing Address
  • Telephone Number
  • Email Address
  • Tax Year/Installment

  This information will help us contact you if there is a question about your payment.

  Sample Check:

  
  
  
• Be sure to write your PIN on the envelope that you submit.
• Send only the tax bill payment coupon with your check. Keep the top portion of the tax bill for your records.
• If you are submitting payment for Tax Year 2025 (payable in 2026) mail to:
  

  Cook County Treasurer
  PO Box 805438
  ChicagoIL 60680-4116
  

Your canceled check is your receipt. Within a weekverify that your check cleared with your bank. You may verify the posting of your tax payment at this website by clicking on "payment status" and entering the 14-digit PIN and security code provided.

Please note thatper Illinois lawonly payments mailed through the United States Postal Service in envelopes bearing a United States Postal Service postmark (not postage meter) will be recorded as paid on the date the payment was mailed. By contrastpayments sent by private carrierssuch as FedExUPSetc.will be recorded as paid on the date the payment is received by the Cook County Treasurer's Officenot the date the payment was mailed.

Mailed payments may be returned if they lack adequate information for processingsuch as the PINthe original payment couponand the identity of the person(s) or entity submitting the payment. Payments issued by foreign banks or foreign bank accounts cannot be processed and will be returned. If a payment is returnedadditional statutory interest may accrue.

It is recommended that companies intending to make numerous individual paymentsand needing duplicate bills in order to do soutilize our TPA Program. Please see the TPA site at https://tpa.cookcountytreasurer.com/ for additional information.

Submit your original payment coupon and payment for any current tax bill issued by the Cook County Treasurer's Office at any of the nearly 400 Chase Bank locations in Illinois. You may also submit your payment through a participating community bank. You must have an account at the community bank in order to tender payment.

It's simple and easy!

• Visit the bank and bring your entire original tax bill.
• Pay by direct debit from your checking or savings account.
• You will receive a receipt.
• Payments will be accepted year-round.

For all tax bills issued by the Cook County Clerk's Office (open item and forfeiture redemption)please submit your original delinquent tax bill with payment directly to the Treasurer's Office at 118 North Clark StreetRoom 112ChicagoIL 60602. Chase Bank will not accept payment of open itemforfeiture redemptionor tax sale redemption bills.