Contact California State Library

The California State Library staff is available to help you via telephone, mail, and email.

By Telephone:

Monday – Friday, 8:00 am – 5:00 pm

  • California Research Bureau (916) 653-7843
  • Library Development Services (916) 653-5217
  • Human Resources Office (916) 654-0202

Monday – Friday, 9:30 am – 4:00 pm

  • For General Information (916) 654-0261
  • Braille & Talking Book Library (916) 654-0640 or
    (800) 952-5666 (toll-free in California)
  • California History Room (916) 654-0176
  • Information Services and Government Publications Sections (916) 654-0261
  • Witkin State Law Library of California (916) 654-0185

Monday – Friday 10:00 am – 5:00 pm

  • Sutro Library (415) 469-6100

By Mail:

California State Library

Information Services Section
P.O. Box 942837
Sacramento, CA 94237-0001

Sutro Library

1630 Holloway Avenue
San Francisco CA 94132

By Email:

The California State Library welcomes feedback and suggestions concerning our resources, programs, and services. We are also here to help you find information.

Please fill out our Ask-A-Librarian form to let us know what we can do for you. If you would like a response from us, please be sure to fill out the contact information.

We will do our best to respond as soon as possible.