Search billions of records on

About Us

We are a non-profit Genealogical Society that serves Southern Alameda County, California.

We have been in existence about 18 years. We normally meet at the San Lorenzo Library, 395 Paseo Grande Avenue, San Lorenzo, CA.

We have General Meetings, Board Meetings, and Informal Q&A meetings each month.

We can be reached by email at

Our current president is Carl Webb.