California - Area of significance: Social History
| Administration Building, Atascadero Colony |
| Agnews Insane Asylum |
| Alcatraz |
| Alkali Flat Central Historic District |
| Alkali Flat West Historic District |
| Allensworth Historic District |
| Al Malaikah Temple |
| Alta Mesa Farm Bureau Hall |
| Altenheim |
| Alvarado Park |
| Alvarado Terrace Historic District |
| Amador County Hospital Building |
| Americanization School |
| American River Grange Hall No. 172 |
| Angel Island, U.S. Immigration Station |
| Angelus Mesa Branch |
| Angelus Temple |
| Arlington Branch Library and Fire Hall |
| Armory Hall |
| Ash Mountain Entrance Sign |
| Ashworth-Remillard House |
| Auburn Masonic Temple |
| Avery, Kenneth Newell, Studio |
| Bailey, Jonathan, House |
| Bakersfield California Building |
| Balboa Pavilion |
| Baldwin Hills Village |
| Bandit Rock |
| Bard, Elizabeth, Memorial Hospital |
| Bay Street Beach Historic District |
| Beckman Instruments Inc. Administration Building |
| Berkeley Hillside Club |
| Berkeley Historic Civic Center District |
| Beverly Fairfax Historic District |
| Beverly Hills Women's Club |
| Big Gap Flume |
| Black Diamond Mines |
| Bolton Hall |
| Bono's Restaurant and Deli |
| Boyd House |
| Brown, Allan, Site |
| Burnham-Marston House |
| Burro Schmidt's Tunnel |
| Cahuenga Branch |
| Calaveras County Courthouse |
| Caledonia Adobe |
| Calvary Presbyterian Church |
| Cameron-Stanford House |
| Campo de Cahuenga |
| Carlotta Hotel |
| Carnegie, Andrew, Library |
| Carnegie Library |
| Carnegie Public Library Building |
| Casa de Tableta |
| CA SBr 1008A, CA SBr 1008B, CA SBr 1008C |
| Case Study House No. 1 |
| Case Study House No. 10 |
| Case Study House No. 16 |
| Case Study House No. 18 |
| Case Study House No. 20 |
| Case Study House No. 21 |
| Case Study House No. 22 |
| Case Study House No. 23C |
| Case Study House No. 28 |
| Case Study House No. 9 |
| Castroville Japanese Language School |
| Centerville Schoolhouse |
| Chicano Moratorium March December 20, 1969 |
| Chicano Park |
| Ch'ichu'yam-bam |
| China Camp |
| Chinatown |
| Christmas Tree Lane |
| Chung Wah Cemetery |
| Church of the Epiphany |
| Citizens Publishing Company Building |
| City of Paris Building |
| Clark, Dr. George C., House |
| Clark, Mary Andrews, Memorial Home |
| Club Casa Del Mar |
| College Women's Club |
| Colombo Building |
| Colusa Carnegie Library |
| Commercial Club |
| Community Clubhouse |
| Community Settlement House |
| Compton's Cafeteria |
| Congregation Talmud Torah of Los Angeles |
| Copperopolis Armory |
| Copperopolis Congregational Church |
| Corona High School |
| Cowell Memorial Hospital |
| Cueva Pintada |
| Cypress Street Schoolhouse |
| Dana Adobe |
| Dana, Richard Henry, Branch |
| Davenport Jail |
| Death Valley Scotty Historic District |
| De Neve, Felipe, Branch |
| DePue, Grace Blair, House and Indian Museum |
Data from United States Park Service and Wikidata