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:
2026 Designated Holidays
New Year's Day
Thursday, January 1
Martin Luther King's Birthday
Monday, January 19
Lincoln's Birthday
Thursday, February 12
Washington's Birthday
Monday, February 16
Casimir Pulaski Day
Monday, March 2
Memorial Day
Monday, May 25
Juneteenth Day
Friday, June 19
Independence Day
Friday, July 3
Labor Day
Monday, September 7
Columbus Day
Monday, October 12
Veterans Day
Wednesday, November 11
Thanksgiving Day
Thursday, November 26
Christmas Day
Friday, December 25