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Posted by Amanda Longfellow

1001 E GRANT
815-432-6985 PHONE
815-432-5462 FAX


County Treasurer, Kurt Albers, has announced that the 2022 payable 2023 real estate tax statements have been mailed to the taxpayers of Iroquois County. The first installment is due August 18th, 2023 and the second installment is due September 18th, 2023. After the due dates a 1 ½ percent penalty must be added each month it remains unpaid, according to Illinois State Statutes. All mortgage companies are still required to pay all real estate tax bills by the designated due dates and ONLINE. Taxpayers must include their tax bill when paying.

The Treasurer’s Office is open 8:30am to 4:30pm Monday through Friday.

To avoid waiting in line, you may also pay by mail or at any bank in Iroquois County including Iroquois Federal, Commonwealth Credit Union, the First State Bank of Forrest in Onarga, etc.

Taxpayers paying in person at the Treasurer’s Office or at the local banks should bring the entire bill if they would like a receipt.  Upon payment, the appropriate stub of the bill will be removed and then the date will be stamped on the back of the remaining part of the tax bill.  If you mail your payment and wish to have a receipt, you must enclose the entire bill plus a self-addressed stamped envelope.

Remember that a drop box has been installed at the Administrative Center near the 911 Center so that taxpayers can drop off their payments during non-office hours.

Credit/Debit card payments and E-checks will be accepted with additional fees. To pay online please visit Information printed from this site should not be used in lieu of a tax bill. IF YOU USE THIS AS A TAX BILL, YOU MUST REMIT A $5.00 DUPLICATE BILL FEE, OR YOU WILL BE BILLED FOR THE FEE.

Members of any United States Armed Forces Reserve Unit can defer their real estate tax payment until 180 days after they return from active duty.  This option is available if you are called to active duty for deployment outside the continental United States and if you are on active duty on the due date of any installment of taxes.

If you have any questions about exemptions, assessed valuations, or address changes, please contact the Assessment Office at (815) 432-6978.

If you have any questions regarding the tax rates, please contact the County Clerk’s Office at (815) 432-6960.

If there are any questions about your tax statements, feel free to call the Treasurer’s Office at (815) 432-6985.