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Resources for history of San Luis Obispo County

Best Bets

If you're short on time, the following resources are your best bets:

Cuesta Library Search at

The Black Gold online catalog at , which shows books owned by all county libraries.

Historical Markers of San Luis Obispo County

Cal Poly Special Collections

Postcard from Cal Poly Special Collections


California Historical Markers


Welcome to the guide for San Luis Obispo County history. Use the tabs above to navigate to different sections of the guide. This page contains general resources for county history.

Resources have been listed if they have print or online collections available for use. Museums and historical societies in the county that do not have these have not been listed; for example, Templeton Historical Society or Morro Bay Natural History Museum.

San Luis Obispo

Cuesta Library Search

Search for reserves, articles, books, films and more...

Primo Search
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Online Archive of California

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Library Information

Spring 2024 (Jan 16 - May 17)


Monday: 8 am - 8 pm
Tuesday: 8 am - 8 pm
Wednesday: 8 am - 8 pm
Thursday: 8 am - 8 pm
Friday:  8 am - 5 pm


Circulation Desk: (805) 546-3155
Reference Desk: (805) 546-3157



Monday: 9 am - 7 pm
Tuesday: 9 am - 7 pm
Wednesday: 9 am - 7 pm
Thursday: 9 am - 7 pm
Friday:  9 am - 5 pm


Circulation Desk: (805) 591-6211
Reference Desk: (805) 592-9410

For tech support requests, email or call 805-546-3140

To check out textbooks, Chromebooks and WiFi hotspots, email

California Newspaper Project