| Conservation Poster Contest for Kids & Teens | 07/22/2024 |
| Conservation Poster Contest for Kids & Teens | 07/15/2024 |
| Conservation Poster Contest for Kids & Teens | 07/08/2024 |
| Corn Husk Doll Craft at Rincon | 11/15/2024 3:30 PM |
| Cowboy Christmas | - |
| Create a Summer Reading Sign | 06/10/2022 10:00 AM - 5:00 PM |
| Create a Summer Reading Sign | 06/11/2022 10:00 AM - 5:00 PM |
| Creative Writing Workshop with Alie Jones & Phaedra Tillery-Boughton | 02/04/2023 12:00 PM |
| Creepy or Cool? Bats | 10/04/2024 3:30 PM |
| Creepy or Cool? Tarantulas and Scorpions | 09/06/2024 3:30 PM |
| Cruising Down Memory Lane: Stories of Pleasanton in the 1950s | 08/25/2024 2:00 PM |
| CSUEB's Criminal Justice Internship and Career Fair | 11/18/2024 11:00 AM - 2:00 PM |
| Cuentos y Canciones | 08/16/2021 6:00 PM |
| Cuentos y Canciones | 08/23/2021 6:00 PM |
| Cuentos y Canciones | 08/30/2021 6:00 PM |
| Cuentos y Canciones | 09/13/2021 6:00 PM |
| Cuentos y Canciones | 09/20/2021 6:00 PM |
| Cuentos y Canciones | 09/27/2021 6:00 PM |
| Cuentos y Canciones | 10/04/2021 6:00 PM |
| Cuentos y Canciones | 10/11/2021 6:00 PM |
| Cute or Creepy? Pool Noodle Spider Craft | 10/25/2024 3:30 PM |
| Darshana: A Glimpse into Hindu Civilization | 10/30/2022 12:00 PM - 5:00 PM |
| Darshana: A Glimpse into Hindu Civilization | 10/15/2023 1:00 PM - 5:00 PM |
| Day of the Dead Sugar Skull Craft | 11/01/2021 4:00 PM - 5:00 PM |
| Day of the Dead Sugar Skull Craft | 11/02/2021 4:00 PM - 5:00 PM |
| Day of the Dead Sugar Skull Craft | 11/03/2021 4:00 PM - 5:00 PM |
| Del Valle 101 | 06/01/2024 11:00 AM |
| Destiny Muhammad: Jazz and the Harp Attitude | 02/24/2022 7:00 PM |
| Detox Your Mind Through Meditation | 11/09/2023 7:00 PM |
| Día de los Muertos Celebration | 11/04/2023 1:00 PM - 4:00 PM |
