Sutro Library – California State Library


The California State Library, a California public research institution, provides its customers with the accurate, up-to-date information they need to do their jobs easily, quickly, and confidently. Whether you are an elected official, a state employee, a representative of one of California’s libraries, a person with special reading needs or a member of the general public, the California State Library is here for you. Our staff, including librarians, researchers, and consultants are at your service.

The Sutro Library is a two-part library specializing in genealogy and family history for the 49 states other than California. We also house a rich archive of research materials with primary documents that range from British politics and culture from the 1500s-1800s, to the establishment of the Mexican Republic.