Locations and Hours
| Locations | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
| Library Administration | 8-5 | 8-5 | 8-5 | 8-5 | 8-5 | Closed | Closed |
| Adult Literacy (PSC) Pleasant Hill Office |
8-5 | 8-8 | 8-5 | 8-8 | 8-5 | Closed | Closed |
| Adult Literacy (PSC) Antioch Office |
12-8 | 12-8 | 10-5 | 10-5 | Closed | Closed | Closed |
| Antioch - Antioch | 12-8 | 12-8 | 10-5 | 10-5 | Closed | 12-5 | Closed |
| Antioch - GenOn Gateway Center for Learning (Prewett Library) | Closed | 10-7 | 12-8 | 12-8 | 12-5 | 12-5 | Closed |
| Bay Point | 2:30-6 | 2:30-8 | Closed | 2:30-8 | 2:30-6 | Closed | Closed |
| Brentwood | 10-8 | 10-8 | 10-8 | 10-8 | 10-6 | 10-6 | Closed |
| Clayton | 1-9 | 10-6 | 1-9 | 10-6 | Closed | 10-6 | 1-5 |
| Concord | 12-9 | 10-6 | 10-6 | 12-9 | 10-5 | 10-5 | 1-5 |
| Crockett | 11-5 | Closed | 11-5 | Closed | 11-5 | 10-4 | Closed |
| Danville | 10-8 | 10-8 | 10-8 | 10-8 | 10-6 | 10-6 | 1-5 |
| Deer Valley High | Open during the school year to students of Deer Valley High School | ||||||
| El Cerrito | 12-8 | 12-8 | Closed | 10-6 | 1-5 | 10-5 | Closed |
| El Sobrante | 12-8 | 10-6 | Closed | 12-8 | 1-5 | 10-5 | Closed |
| Hercules | 1-9 | 1-9 | 10-6 | 10-6 | Closed | 10-6 | Closed |
| Juvenile Hall | Open to residents of Juvenile Hall only | ||||||
| Kensington | 12-8 | 12-8 | Closed | 10-6 | 1-5 | 10-5 | Closed |
| Lafayette | 10-8 | 10-8 | 10-8 | 10-8 | 10-5 | 10-5 | 1-5 |
| Library-a-Go-Go | Discovery Bay - Sandy Cove Shopping Center - Open 24/7 | ||||||
| Library-a-Go-Go | El Cerrito del Norte BART Station - Open 24/7 | ||||||
| Library-a-Go-Go | Pittsburg/Bay Point BART Station - Open Mon.-Fri. 4am to 1am, Sat. 5am to 1am, Sun. 8am to 1am | ||||||
| Martinez | 12-8 | 10-8 | 12-5 | Closed | 12-5 | 10-5 | Closed |
| Michael Chavez Center | 6-12 | 6-12 | 6-12 | 6-12 | 6-12 | 6-12 | Closed |
| Moraga | Closed | 12-8 | 10-6 | 12-8 | 1-5 | 10-5 | Closed |
| Oakley | Closed | 10-9 | 10-9 | 2-9 | 2-6 | 10-6 | Closed |
| Orin Allen | Open to residents of Orin Allen Youth Rehabilitation Facility only | ||||||
| Orinda | 10-8 | 10-8 | 10-8 | 10-8 | 10-6 | 10-6 | 1-5 |
| Pinole | 10-6 | Closed | 2-8 | Closed | 12-5 | 12-5 | Closed |
| Pittsburg | Closed | 12-8 | 10-6 | 1-8 | 11-5 | 11-5 | Closed |
| Pleasant Hill | Closed | 1-8 | 11-6 | 11-6 | 10-5 | 10-5 | Closed |
| Rodeo | 12-5 | 1-7 | Closed | 1-7 | Closed | 12-5 | Closed |
| San Pablo | 12-8 | 12-8 | 10-6 | Closed | 1-5 | 10-5 | 1-5 |
| San Ramon-Dougherty Station | 10-8 | 12-8 | 12-8 | 10-8 | 10-5 | 10-5 | Closed |
| San Ramon-San Ramon | 10-8 | 10-8 | 10-8 | 10-8 | 10-5 | 10-5 | 1-5 |
| Walnut Creek - Walnut Creek | 10-8 | 10-8 | 10-8 | 10-8 | 10-6 | 10-6 | Closed |
| Walnut Creek-Ygnacio Valley | 10-8 | 10-8 | 10-8 | 10-8 | 10-6 | 10-6 | Closed |
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday | |