1928
- The West Coast Oakland movie theatre (renamed theatre pictured), built by Weeks and Day, opens
- The Golden Gate Bridge and Highway District incorporates, its purpose to design, construct, and finance the Golden Gate Bridge
- Harvey Spencer Lewis of the Ancient Mystical Order Rosae Crucis presents his first exhibit of Egyptian antiquities, "The Rosicrucian Egyptian Oriental Museum", at the Rosicrucian headquarters in San Jose
- Edy's Grand Ice Cream is established in Oakland
- The Emeryville Research Center of Shell Development Company is established in Emeryville by the Shell Oil Company