Williamson County, IL

Official Government Site

County Treasurer

Ashley Gott

Treasurer

Address: 407 N. Monroe Street, Suite 104, Marion, IL 62959 Open in maps

Phone: (618) 998-2142

E-mail: treasurer@williamsoncountyil.gov

Fax: 618-997-2541 ext. 5665

Office Hours: Monday-Friday, 8:00 a.m. -4:00 p.m.

Property Tax Payment Dates

Additional Information

1-1/2% interest amount will be charged on the delinquent amount per month or ANY portion of a month.

There is a $25 processing fee per parcel, in addition to any accrued statutory interest, for each check that is returned by the taxpayer’s bank for any reason.

There is a $5.00 duplicate bill fee (per bill) for all non-original bills requested by a 3rd party. (This includes requesting the bill in person, over the phone, via email, or printing the bill from the Treasurer’s website). A separate check for the duplicate bill fee is required.

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By mail, in person, or online - there are many ways to register to vote in Illinois. Register today: https://ova.elections.il.gov/
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American Rescue Plan Act (ARPA)
Any Business, Non-Profit, Community Group, Neighborhood Association, County Department, or other entity wishing to be considered for funding must fully complete and submit this application. Download PDF
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The Williamson County Emergency Management Agency coordinates the plans and operations of all components of the emergency management system within the county. Visit Website

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