Ashley Gott
Treasurer

Appointed 2019

Elected 2020, 2022

Republican

Phone:  (618) 998-2142 x5665

Software:  BBAM

Population:  67,153

Zone:  I

Welcome to Williamson County, Illinois. 

1st Installment Due Date:  TBD, 2025

2nd Installment Due Date:TBD,  2025

Tax Sale Date:  TBD, 2026

Last day to pay with personal check:  TBD, 2025

Last day to pay with credit card:  TBD, 2025

Last day to pay to avoid Tax Sale: TBD, 2026

.

Office Hours:

• Monday - Friday 8:00 - 4:00.

Holiday Closings For 2025:

• Wednesday, January 1 - New Year’s Day 
• Monday, January 20 - Birthday of Martin Luther King, Jr.
• Wednesday, February 12 - Lincoln's Birthday 
• Monday, February 17 - President's Day (Observed)
• Friday, April 18 - Good Friday
• Monday, May 26 - Memorial Day
• Thursday, June 19 - Juneteenth Independence Day
• Friday, July 4 - Independence Day 
• Monday, September 1 - Labor Day
• Monday, October 13 - Columbus Day (Observed)
• Tuesday, November 11 - Veterans Day 
• Thursday, November 27 - Thanksgiving Day
• Friday, November 28 - Day Following Thanksgiving Day
• Wednesday, December 24 - Christmas Eve 
• Thursday, December 25 - Christmas Day 

Contact Information:

• General Office..............(618) 998-2142 x5665
• Fax.............................(618) 997-2541
• Email.......................... treasurer@williamsoncountyil.gov
• County Website...........https://www.williamsoncountyil.gov
• Office Staff
  • Asst. Treasurer/Deputy Payroll Officer......................Marla Payne (mpayne@williamsoncountyil.gov)
  • Deputy Accounting Officer......................................Michelle Ellis (mellis@williamsoncountyil.gov)
  • Chief Deputy Tax Collector.....................................Shannon Shakir (sshakir@williamsoncountyil.gov)
  • Deputy Tax Clerk..................................................Allison Emery (aemery@williamsoncountyil.gov)
  • Deputy Financial Officer..........................................

Our Location:

Williamson County Treasurer’s Office
407 N. Monroe Street, Suite 104
Marion, IL 62959