"County Free Library Act" (1912) established and authorized the Los Angeles County Free Library, later to become the County of Los Angeles Public Library system of branches.
The library system, headquartered in Downey, California, is overseen by the Library Commission of 20 appointed members who report on administration, operation, and service to the County Board of Supervisors who operate County Library as a special fund department.
Skye Patrick was appointed County Librarian on February 1, 2016.
The mission of the library is to "provide our diverse communities with easy access to the information and knowledge they need to nurture their cultural exploration and lifelong learning." As such, the library provides many resources, including literacy services and programs for families and children.
The library system offers consumer health information under CHIPS (Consumer Health Information Program and Services).
Available to visitors within each library are reference and circulating books, periodicals and audio/visual materials. Catalog terminals query the collection of the entire library system. Information centers offer a collection of pamphlets and community information featuring upcoming events. A payphone may be in the lobby, by the restroom or outside near the entrance. A copier may be available for a fee per copy. Ad hoc productivity software/internet computer access may be limited by reservations and a printer is available for a fee per copy using the pay station to place credit on library card accounts or a visitors temporary account.
Registered Library Card holders in good standing may: