Monday to Friday: 9:00 a.m. to 5:00 p.m.
Saturday/Sunday: Closed
The Cook County Treasurer's Office will be closed on the following dates:
2023 Designated Holidays
New Year's Day
Monday, January 2
Martin Luther King's Birthday
Monday, January 16
Lincoln's Birthday
Monday, February 13
Washington's Birthday
Monday, February 20
Casimir Pulaski Day
Monday, March 6
Memorial Day
Monday, May 29
Juneteenth Day
Monday, June 19
Independence Day
Tuesday, July 4
Labor Day
Monday, September 4
Columbus Day
Monday, October 9
Veterans Day
Friday, November 10
Thanksgiving Day
Thursday, November 23
Christmas Day
Monday, December 25