407 N. Monroe Street, Suite 104
Marion, IL 62959
Office Hours: Monday-Friday, 8:00 a.m. - 4:00 p.m.
On Real Estate Collection Due Dates: 8:00 a.m. - 6:00 p.m.
1st Installment: July 13, 2018
2nd Installment: September 13, 2018
Make checks payable to: "Williamson County Treasurer"
A 1-1/2% interest amount will be charged on the delinquent amount per month or ANY portion of a month.
To avoid the publication of your name as being a delinquent taxpayer, pay by October 12, 2018.
The property tax sale will be Thursday, November 8, 2018.
No property tax payments will be accepted after Wednesday, November 7, 2018.