California - Criteria: A (event)
| 27th Street Historic District |
| 500 Varas Square-Government Reserve |
| 52nd Place Historic District |
| Acting Superintendent's Headquarters |
| Adin Supply Company |
| Administration Building, Atascadero Colony |
| Administration Building, Sherman Institute |
| Administration Building, Treasure Island |
| Adobe Flores |
| Agnews Insane Asylum |
| Ah Louis Store |
| Ainsworth, Lewis, House |
| A. K. Smiley Public Library |
| Alameda County Building and Loan Association Building |
| Albion River Bridge |
| Alcatraz |
| Alexander Theatre |
| Alkali Flat Central Historic District |
| Alkali Flat North Historic District |
| Alkali Flat West Historic District |
| Allensworth Historic District |
| Al Malaikah Temple |
| ALMA (Scow Schooner) |
| Aloha Apartment Hotel |
| Alpine County Courthouse |
| Alta Mesa Farm Bureau Hall |
| Altaville Grammar School |
| Altenheim |
| Alvarado Park |
| Alvarado Terrace Historic District |
| Alviso Historic District |
| Amador County Hospital Building |
| American Cash Apartments-American Cash Store |
| Americanization School |
| American River Grange Hall No. 172 |
| Anacapa Island Archeological District |
| Anacapa Island Light Station |
| Anaheim Orange and Lemon Association Packing House |
| Andreasen, F. W.-John Rossen House |
| Angel Island, U.S. Immigration Station |
| Angels Flight Railway |
| Angelus Funeral Home |
| Angelus Mesa Branch |
| Angelus Temple |
| Animal Science Building |
| Anna Head School for Girls |
| Antelope Valley Indian Museum |
| APOLLO (Storeship) |
| Aquatic Park Historic District |
| Arena Cove Historic District |
| Arlington Branch Library and Fire Hall |
| Armory Hall |
| Armour & Co. Building |
| Arroyo Seco Parkway Historic District |
| Ash Mountain Entrance Sign |
| Ashworth-Remillard House |
| Asilomar Conference Grounds |
| Atascadero Printery |
| Atchison, Topeka, and Santa Fe Railway Steam Locomotive No. 3751 |
| Atchison Village Defense Housing Project, Cal. 4171-x |
| Atkinson House |
| Auburn City Hall and Fire House |
| Auburn Fire House No. 2 |
| Auburn Masonic Temple |
| Auburn Public Library |
| Auditorium |
| Azteca Theater |
| Azusa Civic Center |
| Bagby Stationhouse, Water Tanks and Turntable |
| Baker Highway Maintenance Station |
| Balboa Inn |
| Balboa Pavilion |
| Balboa Theatre |
| BALCLUTHA |
| Bald Hills Archeological District |
| Baldwin Hills Village |
| Bale Mill |
| Bandit Rock |
| Bank of Eureka Building |
| Bank of Italy |
| Bank of Italy |
| Bank of Italy Building |
| Bank of Loleta |
| Bank of Tracy |
| Bard, Elizabeth, Memorial Hospital |
| Bardsdale Methodist Episcopal Church |
| Barker Dam |
| Barton-Lackey Cabin |
| Batchelder House |
| Battery John Barlow and Saxton |
| Battery Osgood-Farley |
| Bayview Hotel |
| Bearpaw High Sierra Camp |
| Bear Valley School |
| Bekins Storage Co. Roof Sign |
| Belt Railroad Engine House and Sandhouse |
| Benicia Arsenal |
| Benicia Capitol State Historic Park |
| Benicia Southern Pacific Railroad Passenger Depot |
| BERKELEY |
Data from United States Park Service and Wikidata
