The California Room at the Dr. Martin Luther King, Jr. Library has many resources to help you discover the history of the Santa Clara County. Following are a list of institutions that have a mission of preserving Santa Clara County history.
- Bench Bar Historical Society of Santa Clara County
- California History Center and Foundation at De Anza College
- Campbell Historical Museum
- Chinese Historical and Cultural Project
- Cupertino Historical Society
- Filipino American National Historical Society – Santa Clara Valley Chapter
- Gilroy Historical Society
- Gilroy Museum
- History San José
- Hooked on Los Gatos: Library and History Museum Project
- Japanese American Museum of San José
- Los Altos Hills Historical Society
- Los Altos History Museum
- NUMU - New Museum Los Gatos
- Market Street Chinatown Archaeological Project
- Milpitas Historical Society
- Moffet Field Historical Society
- Morgan Hill Historical Society
- Mountain View Historical Society
- New Almaden and the Almaden Quicksilver Mining Museum
- Palo Alto Historical Society
- Portuguese Historical Museum
- Preservation Action Council of San José
- Santa Clara County Archives
- Santa Clara County Historical & Genealogical Society – SCCHGS
- Santa Clara County Pioneers
- Santa Clara River Valley Railroad Historical Society
- Santa Clara Valley Water District Library
- Saratoga Historical Foundation
- Silicon Valley Historical Association
- Sourisseau Academy for State and Local History
- Southbay Historical Railroad Society, Inc.
- Stanford Historical Society
- Sunnyvale Historical Society and Heritage Park Museum