The due date for the Tax Year 2009 First Installment was Tuesday, March 2, 2010.   NOTE: A law passed by the Illinois Legislature in 2009 raises the First Installment tax from 50% to 55% of the prior year's total tax.

The due date for the Tax Year 2008 Second Installment was Tuesday, December 1, 2009.
 

Please note the following about paying property taxes at the Cook County Treasurer's Office:

• Visit the Cook County Treasurer's Office at 118 N. Clark St., Suite 112, Chicago IL 60602.
• Business hours are from 9 a.m. to 5 p.m. weekdays.
• Pay by cash, personal check, money order, cashier's check or certified check.
• Submit one original payment coupon and check per Property Index Number (PIN).
• Be sure that your check includes your:
  • Taxpayer name, mailing address, telephone number, email address (if available)
  • 14-digit Property Index Number (PIN)
  • Property location, including unit number
  • 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 your check.
• Provide only the original payment coupon with your payment - and keep the top portion of the tax bill for your records.

Within a week, verify the posting of your tax payment at this website by clicking on "Payment Status" and entering the 14-digit PIN.

Payments may be returned if they lack adequate information for processing, such as the PIN, or the original payment coupon and/or the identity of the person(s) or entity submitting the payment.