Facilities in Pinole, Kensington, Antioch and Walnut Creek will shut down for up to 12 months starting at various times in 2026.

Contra Costa County readers are in for a bumpy 2026, with four library branches set to go dark for months at a time while crews tackle decades of deferred maintenance. The most painful hit lands March ...

For kids preparing to start school, the countdown to kindergarten is on. The Contra Costa County Library system’s Kindergarten Countdown program helps prepare children who are starting school in the ...

MARTINEZ — The Contra Costa County Library System was working to assess the extent of possible exposure after reports of an apparent hack and ransomware attack, authorities said Friday. A Facebook ...