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 14, 2017
2nd Installment: September 14, 2017
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 13, 2017.
The property tax sale will be Tuesday, November 21, 2017.
No property tax payments will be accepted after Monday, November 20, 2017.