Paying in Person

Due dates for 2024 Real Estate Taxes, payable in 2025 are as follows:

  • 1st Installment: Wednesday, June 18, 2025.

  • 2nd Installment: Monday, August 18, 2025.

  • 3rd Installment: Thursday, September 18, 2025.

  • 4th Installment: Tuesday, November 18, 2025.


Payments Made in Person

  • You may pay in-person at the Treasurer’s / Collector's Office located in the County Office Building located at 1504 3rd Avenue, Rock Island, IL.

  • When paying in-person, please be sure that you have the property address or parcel number (PIN) of the taxes you are paying.

  • You may pay by cash, check, money order or cashier's check when paying your real estate tax installments in-person.

  • For your convenience: we accept in-person credit/debit cards and mobile wallets through November 18, 2025 (processing fees up to 2.45% apply*).

  • When paying by check, money order or cashier's check, please make sure the amount is exact or we will be unable to accept the payment.

  • Neither failure to receive a tax statement, nor receiving one late will relieve the taxpayer from paying the taxes or any penalties which may become due.

  • Installments equal to at least one-fourth the total tax are due on or before the due dates shown on the front of this statement, or the full tax may be paid by the first installment due date.

  • State law requires the installments not paid by the due dates shall have interest added at the rate of 1.5% per month or part of a month until paid, sold, or forfeited.

  • No second notice will be mailed covering your second, third, and/or fourth installment, as all four stubs are included with your original tax bill.

  • Payments in-person are also accepted mobile home taxes.

  • Payments received in the Treasurer's Office after Tuesday, November 18, 2025, must be paid only by cash, cashier's check, certified check or money order (no personal/business checks, debit/credit cards, or mobile wallets are accepted after this date).

  • The last day that property tax payments will be accepted is December 29, 2025. Taxes not paid by December 29, 2025, will be sold at the Tax Sale on December 30, 2025.


Please contact the Rock Island County Treasurer's Office at 309-558-3510 if you have any questions.