Madison County Property taxes are paid in four installments. The first installment is due in July, the second is in September, the third in October and the last in December. The exact due date is mentioned on your tax bill. 

There is a 1.5% penalty applied to you tax installment every 30 days following the first due date. The penalty is based on the balance of each past due installment. This penalty is established by Illinois law.

You will not be able to make a partial payment online. However, you can visit the Madison County Treasurer’s Office if you need to make a partial payment. All payment forms are accepted in the office.