Connecting people to their diverse family heritage

The library is open on Thursdays and Fridays (10-2) and Saturdays (10-4). The library will be closed Dec 21 – 30 for the holidays.  See Directions and Parking for info on Saturday visits, which have different procedures than weekdays. See our Events and Education  for online and in-person sessions.

Events and Education

The California Genealogical Society (CGS) is more than just a research library. Come learn how to do genealogical research by taking classes. Learn about upcoming field trips, research trips, special events, and headline speakers.


Special Interest Groups (SIG)

The society has special interest groups for members to link up with others doing similar research.


CGS Tech Talks

Read about our CGS’ Tech Talks. Online videos for members. Learn how to use our tech tools — Google Drive, G-Mail and Meet.


Logo with Member Connections

Sign Up for Member Connections

Now you can connect with other CGS members who have similar research interests. Create your own profile and start reaching out.


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Online Resources

Providing additional Online Resources on our website is a priority. These resources include lineage charts developed by our members, which provide finding aids and images. Search to find out if someone you are researching is included.


Visit Our Library

Visit our Library

The CGS Library has over 38,000 genealogical books, historic maps, one-of-a kind manuscripts collection, and computers with programs for doing research. Find an experienced volunteer to get help. Take the virtual tour to plan a visit.


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