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.
| 2025 | ||
| Wednesday, January 1, 2025 | New Year's Day | All libraries closed (holiday) |
| Sunday, January 19, 2025 | Closed | All libraries closed |
| Monday, January 20, 2025 | Dr. Martin Luther King Jr. Day | All libraries closed (holiday) |
| Sunday, February 16, 2025 | Closed | All libraries closed |
| Monday, February 17, 2025 | Presidents' Day | All libraries closed (holiday) |
| Wednesday, April 23, 2025 | All Staff Training Day | All libraries closed |
| Sunday, May 25, 2025 | Closed | All libraries closed |
| Monday, May 26, 2025 | Memorial Day | All libraries closed (holiday) |
| Thursday, June 19, 2025 | Juneteenth | All libraries closed (holiday) |
| Friday, July 4, 2025 | Independence Day | All libraries closed (holiday) |
| Sunday, August 31, 2025 | Closed | All libraries closed |
| Monday, September 1, 2025 | Labor Day | All libraries closed (holiday) |
| Tuesday, November 11, 2025 | Veterans Day | All libraries closed (holiday) |
| Wednesday, November 26, 2025 | Day before Thanksgiving | All libraries close at 6:00 p.m. |
| Thursday, November 27, 2025 | Thanksgiving Day | All libraries closed (holiday) |
| Wednesday, December 24, 2025 | Christmas Eve | All libraries closed (holiday) |
| Thursday, December 25, 2025 | Christmas Day | All libraries closed (holiday) |
| Wednesday, December 31, 2025 | New Year's Eve | All libraries close at 5:00 p.m. |
