Our library is open for visits from 10 a.m. to 2 p.m. Wednesday – Friday and 10 a.m. to 4 p.m. on the third Saturday of the month. All visitors must register in advance. However, CGS members may visit on Friday without registering, as part of a trial program. See our updated COVID-19 Mitigation that reflects current county standards. 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.
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.
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
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.
See Videos
Sign up for free e-News
HIRE A RESEARCHER