- CA-Ala-307, Berkeley, Alameda County190 objects
- CA-Ala-309, Emeryville, Alameda County9 objects
- CA-Ala-330, Newark, Alameda County1 objects
- CA-Ala-NL-15 (Alameda Mound), Alameda, Alameda County1 objects
- CA-Ama-3 (Bamert Cave), Amador County, California4 objects
- CA-CCo-138, Oakley, Contra Costa County24 objects
- CA-CCo-139 (Simone Mound), Oakley, Contra Costa County2 objects
- CA-CCo-141, Palm Tract, Contra Costa County3 objects
- CA-CCo-259, Rodeo, Contra Costa County2 objects
- CA-CCo-262, Pinole, Contra Costa County1 objects
- CA-CCo-283, Richmond, Contra Costa County5 objects
- CA-CCo-284, Richmond, Contra Costa County2 objects
- CA-CCo-295, Richmond, Contra Costa County82 objects
- CA-CCo-298, Richmond, Contra Costa County7 objects
- CA-CCo-300, Richmond, Contra Costa County394 objects
- CA-CCo-302, Richmond, Contra Costa County1 objects
- CA-Cal-22, Calaveras County, California1 objects
- CA-Col-1 (Miller Mound), Colusa County, California10 objects
- CA-Col-2 (Howell's Point), Colusa County, California1 objects
- CA-DNo-11 (Point St. George site), Del Norte County, California30 objects