Holidays and Closures
The following dates are approved by the Contra Costa County Board of Supervisors and all branches will be closed.
For branch-specific closure information, please visit the Hours and Locations page.
2026
- Thursday, January 1, 2026: New Year's Day - All libraries closed (holiday)
- Sunday, January 18, 2026: Closed - All libraries closed
- Monday, January 19, 2026: Dr. Martin Luther King Jr. Day - All libraries closed (holiday)
- Sunday, February 15, 2026: Closed - All libraries closed
- Monday, February 16, 2026: Presidents' Day - All libraries closed (holiday)
- Wednesday, April 22, 2026: All Staff Training Day - All libraries closed
- Sunday, May 24, 2026: Closed - All libraries closed
- Monday, May 25, 2026: Memorial Day - All libraries closed (holiday)
- Friday, June 19, 2026: Juneteenth - All libraries closed (holiday)
- Friday, July 3, 2026: Independence Day (observed) - All libraries closed (holiday)
- Saturday, July 4, 2026: Independence Day - All libraries closed
- Sunday, September 6, 2026: Closed - All libraries closed
- Monday, September 7, 2026: Labor Day - All libraries closed (holiday)
- Wednesday, November 11, 2026: Veterans Day - All libraries closed (holiday)
- Wednesday, November 25, 2026: Day before Thanksgiving - All libraries close at 6:00 p.m.
- Thursday, November 26, 2026: Thanksgiving Day - All libraries closed (holiday)
- Thursday, December 24, 2026: Christmas Eve - All libraries closed (holiday)
- Friday, December 25, 2026: Christmas Day - All libraries closed (holiday)
- Thursday, December 31, 2026: New Year's Eve - All libraries close at 5:00 p.m.