Important Note: Tax Year 2007 certified delinquent notices were mailed June 1, 2009; you may use this site to
submit tax year 2007 payments through July 13, 2009. The 2007 Annual Tax Sale begins July 16, 2009. For further
information regarding the 2007 Annual Tax Sale, please click here
Dear Third Party Agent:
The Cook County Treasurer’s Office proudly announced the opening of the Real-Time
TPA System (RTS) payment site on February 4, 2008. RTS allows banks, mortgage companies,
and title companies to pay property taxes online through an ACH debit and receive
an instant, official Cook County Treasurer printable E-Receipt.
Paying Online at cookcountytpa.com
- Payments can be made on multiple PINs (10 PINS at a time)
- Payments are made via ACH debit transaction
- Payments can be made on current and previous tax years (when available)
- Provides printable official Cook County Treasurer E-Receipts along with downloadable
payment history screen
- Real-time payment information provided including Certificate of Error adjustments
to tax bill
- Fast and convenient payment system for real estate mortgage companies, title companies,
trustees and real estate attorneys
All third party payments should be made by either one of our two convenient, easy
to use, electronic payment methods: RTS site cookcountytpa.com, or for larger
quantities of properties where receipts are not required, the TPA site cookcountytreasurer.com/tpa.
Sincerely,

Maria Pappas
Cook County Treasurer
Before attempting to make payment, please check with your financial institution
that you do not have an ACH block on your account. Our ACH provider's ID is 1388888888.