The Winnebago County Treasurer's Office will have extended hours Sept. 5. The office will be open from 8 a.m. to 6 p.m. to accommodate second installment payments of real estate property taxes, which are due that day, according to a community announcement.

Taxpayers are encouraged to mail their payments on or before the due date, as postmarks are accepted.

Online payment options available

Payments can also be made online at treasurer.wincoil.gov using a check or credit card. Payments can also be made by calling Autoagent at 815-859-9650 with a 2.25% convenience fee.

First installments that remain unpaid have a 4.5% penalty, which will increase to 6% after Sept. 6. Second installments not paid by the due date will incur a penalty of 1.5% per month, starting Sept. 6, according to the a

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