- Carmichael (CDP), Sacramento County, California20
- CA-Sac-122 (Eichenberger Mound), Sacramento County, California19
- CA-Col-3 (Sandhill site), Colusa County, California15
- Colusa County, California15
- CA-Sac-112 (Calquhoun Mound 2), Sacramento County, California13
- CA-Sac-112 or 113 (Calquhoun Mound), Sacramento County, California13
- San Francisco Bay Area, California11
- CA-Sac-127 (Augustine site), Sacramento County, California8
- CA-Sac-152, Sacramento County, California8
- CA-Sac-66 (Morse Mound), Sacramento County, California8
- CA-Sac-107 (Windmiller Mound), Sacramento County, California6
- CA-Sac-16 (Bennet Mound), Sacramento County, California6
- CA-Sol-240 (Lucchetti site), Solano County, California6
- Green Valley, Solano County, California6
- Solano County, California6
- CA-Sac-85 (Nicolaus #2), Sacramento County, California5
- CA-Sac-NL-7 (Dalton Mound), Sacramento County, California4
- Dalton Mound, Sacramento County, California4
- Alameda County, California3
- CA-Ala-329 (Ryan Mound), Coyote Hills, Fremont3