California - Criteria: C (architecture/engineering)
| U.S. Customhouse |
| US Inspection Station-Calexico |
| U.S. Inspection Station/U.S. Custom House |
| US Naval Air Station Sunnyvale, California, Historic District |
| US Post Main Office-San Mateo |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office and Courthouse |
| U.S. Post Office and Courthouse |
| US Post Office-Beverly Hills Main |
| US Post Office-Burbank Downtown Station |
| US Post Office-Chico Midtown Station |
| U.S. Post Office, Courthouse and Federal Building |
| US Post Office-Downtown Station |
| US Post Office-Downtown Station |
| US Post Office-El Centro Main |
| US Post Office-Glendale Main |
| US Post Office-Hollywood Station |
| US Post Office-Long Beach Main |
| US Post Office-Los Angeles Terminal Annex |
| US Post Office-Marysville Main |
| US Post Office-Napa Franklin Station |
| US Post Office-Oroville Main |
| US Post Office-Petaluma |
| US Post Office-Porterville Main |
| US Post Office-Redlands Main |
| US Post Office-San Pedro Main |
| US Post Office-Santa Barbara Main |
| US Post Office-Santa Cruz Main |
| US Post Office Station-Spurgeon Station |
| US Post Office-Visalia Town Center Station |
| US Post Office-Willows Main |
| Utica Mansion |
| Vacaville Town Hall |
| Valencia Hall |
| Vallejo City Hall and County Building Branch |
| Vallejo Old City Historic District |
| Val Verde |
| Van Buren Place Historic District |
| Van Nuys Branch |
| Van Voorhies House |
| Venetian Court Apartments |
| Venice Branch |
| Venice of America House |
| Ventura County Courthouse |
| Ventura Theatre |
| Verlaque, Theophile, House |
| Vermont Square Branch |
| Veterans Affairs Medical Center-San Francisco, California |
| Veterans Home of California Chapel |
| Veterans Memorial Building |
| Victoria Avenue |
| Vikingsholm |
| Villa Bonita |
| Villa Carlotta |
| Villa Mira Monte |
| Villa Montalvo |
| Villa Montezuma |
| Villa Riviera |
| Villa Verde |
| Virginia Hotel |
| Vista del Arroyo Hotel and Bungalows |
| Vollers, Amelia, House |
| Von Pfister General Store |
| Wagner, Anton, Duplex |
| Walker, Mrs. Clinton, House |
| Walkers Orange County Theater |
| Walnut Grove Japanese-American Historic District |
| Walnut Street School |
| Walstrom, Douglas and Octavia, House |
| Walton, Dr. Robert and Mary, House |
| Ware, Henry A., House |
| Warner Brothers Theatre |
| Warner Valley Ranger Station |
| Warren, Russell, House |
| Washington Building |
| Washington Court |
| Washington Firehouse |
| Washington Union High School |
| Wasserman House |
| Watson Log Cabin |
| Watts Building |
| Watts Station |
| Watts & Tannahill Company Store |
| Watts Towers of Simon Rodia |
| Wawona Covered Bridge |
| Wawona Hotel and Pavilion |
| Waybur, Julian, House |
| Wayfarers Chapel |
| Weaver, Henry, House |
| Webber, John Lee, House |
| Wee Kirk |
| Weinberger, J.C., Winery |
| Weller House |
| Wellman Hall |
| Westerfeld, William, House |
| Westlake Theatre |
Data from United States Park Service and Wikidata