2023 tax year bills have been mailed, due dates are June 14 and September 6.  If you have not received your property tax bill please contact our office or print online under MENU section of this page. 

Please note:  Our office will be closed on Wednesday, June 19th for Juneteenth.

Real estate payments for 2022 tax year, payable 2023 are no longer accepted in our office or on our website. Our tax sale was November 7, 2023.   If you have not paid your taxes for 2022 or prior years you will need to contact the Winnebago County Clerks office at 815-319-4253. A tax buyer paid your taxes for you and attached a percentage rate. You will have a period of 2.5 years to redeem your taxes. Within that 2.5-year period the interest rate will increase every six months. It is to your best interest to redeem (pay back) your taxes as soon as possible.

The purpose of the Treasurer's Office is to assist taxpayers of Winnebago County, collect funds and distribute to the taxing districts throughout the year. The office has many other duties outside of property and mobile taxes. The Treasurer's Office is also responsible for: investment of county funds, balance bank statements, record and manage bankruptcies, enter owner information for newly recorded deeds, change addresses for taxpayers, process tax bill corrections received from the Supervisor of Assessments office, mail refunds, receive and record deposits daily, issue mobile home certifications, collect and deposit Hotel/Motel tax fees. Additionally, we accept payments for miscellaneous county fines and deferred prosecution, as well as register, process, call and balance our annual tax sale. Susan J. Goral has been the Treasurer of Winnebago County since 1999 and has been employed by the Treasurer's Office since 1979. Sue and her staff are available to assist taxpayers with any problems or issues they may have with their taxes in person, by phone or via email during office hours. 

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Susan Goral


Contact Us

404 Elm Street, Room 205
Rockford, Illinois 61101
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(815) 319-4400


Office Hours

Monday through Friday
8 a.m. – 5 p.m.

Mailing Address

Winnebago County Treasurer
404 Elm Street, Rm 205
Rockford, IL 61101


View or Pay Bill

Tax Information

Understanding Your Bill

Payment Reminder Notifications

Forms: A/C, FOIA, Tax Distributions, District Contacts, Interest Calculations