Connecting people to their diverse family heritage

Our library is open by appointment from 10 – 2 Wed – Fri and 10 – 4 on the 3rd Sat. Please email [email protected] by 7 pm the day before you visit so we know you are coming. See our Events and Education  for online and in-person sessions. See a video tour of our website.

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.


click to sign up

2023 Salt Lake City Research Trip

Read about the CGS Research Trip to the FamilySearch Library in Salt Lake City on Oct 9 – 14, 2023. Led by Stewart Traiman and Evan Wilson. Limited to 20 participants so register today.


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.


click to read our blog

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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