Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Transamerica Pyramid | Building | 5 | San Francisco | 37 47 41 N | 122 24 11 W |
| Travel Town Museum | Building | 152 | Los Angeles | 34 09 16 N | 118 18 28 W |
| Traver Building | Building | 662 | Calaveras | 38 08 17 N | 120 28 03 W |
| Treasure Island Museum | Building | 2 | San Francisco | 37 49 02 N | 122 22 15 W |
| Tresidder Memorial Union | Building | 35 | Santa Clara | 37 25 27 N | 122 10 16 W |
| Trinity County Courthouse | Building | 621 | Trinity | 40 44 05 N | 122 56 27 W |
| Trinity County Law Library | Building | 621 | Trinity | 40 44 05 N | 122 56 27 W |
| Trinity County Library | Building | 621 | Trinity | 40 44 03 N | 122 56 26 W |
| Trinity Visitor Center | Building | 887 | Trinity | 40 49 23 N | 122 46 56 W |
| Triton Museum of Art | Building | 21 | Santa Clara | 37 21 22 N | 121 57 19 W |
| Triton Museum of Art Library | Building | 21 | Santa Clara | 37 21 22 N | 121 57 19 W |
| Trojan Hall | Building | 59 | Los Angeles | 34 01 09 N | 118 16 55 W |
| Trolley Museum | Building | 437 | Riverside | 33 45 39 N | 117 13 55 W |
| Trona Branch San Bernardino County Library | Building | 506 | San Bernardino | 35 45 33 N | 117 22 44 W |
| Tropico Branch Glendale Public Library (historical) | Building | | Los Angeles | 34 07 39 N | 118 15 19 W |
| Truckee Branch Nevada County Public Library | Building | 1805 | Nevada | 39 19 32 N | 120 11 59 W |
| Truesdail Speech Center | Building | 443 | San Bernardino | 34 03 36 N | 117 09 58 W |
| Trussell-Winchester Adobe | Building | 12 | Santa Barbara | 34 24 40 N | 119 41 54 W |
| Truzer Gymnasium | Building | 48 | Sonoma | 38 27 18 N | 122 43 13 W |
| Tuccoletta Hall | Building | 65 | San Benito | 36 50 38 N | 121 32 11 W |
| Tula Hall | Building | 136 | San Diego | 32 46 16 N | 117 04 03 W |
| Tulare County Building | Building | 101 | Tulare | 36 32 11 N | 119 23 08 W |
| Tulare County Fire Station | Building | 1166 | Tulare | 35 52 20 N | 118 38 25 W |
| Tulare County Jail | Building | 101 | Tulare | 36 19 56 N | 119 17 27 W |
| Tulare County Juvenile Hall | Building | 101 | Tulare | 36 20 27 N | 119 17 41 W |
| Tulare County Law Library | Building | 98 | Tulare | 36 19 44 N | 119 18 55 W |
| Tulare Public Library | Building | 87 | Tulare | 36 12 24 N | 119 21 07 W |
| Tule River Youth Center | Building | 115 | Tulare | 36 03 19 N | 119 08 34 W |
| Tulelake Branch Siskiyou County Public Library | Building | 1230 | Siskiyou | 41 57 20 N | 121 28 38 W |
| Tulelake City Hall | Building | 1231 | Siskiyou | 41 57 22 N | 121 28 32 W |
| Tuolumne County Courthouse | Building | 557 | Tuolumne | 37 59 07 N | 120 23 03 W |
| Tuolumne County Free Library | Building | 626 | Tuolumne | 37 59 03 N | 120 22 04 W |
| Tuolumne County Law Library | Building | 557 | Tuolumne | 37 59 07 N | 120 23 03 W |
| Tuolumne County Museum | Building | 548 | Tuolumne | 37 59 02 N | 120 23 09 W |
| Tuolumne Engine Company Number 1 Fire Station | Building | 649 | Tuolumne | 38 02 07 N | 120 24 05 W |
| Turing Hall | Building | 33 | Santa Clara | 37 25 44 N | 122 10 39 W |
| Turlock Branch Stanislaus County Free Library | Building | 32 | Stanislaus | 37 29 53 N | 120 50 23 W |
| Turlock City Hall | Building | 32 | Stanislaus | 37 30 06 N | 120 50 46 W |
| Turlock Youth Center | Building | 32 | Stanislaus | 37 29 33 N | 120 50 26 W |
| Tustin Branch Orange County Public Library | Building | 38 | Orange | 33 44 32 N | 117 49 11 W |
| Twain Harte Community Center | Building | 1124 | Tuolumne | 38 02 20 N | 120 13 38 W |
| Twelvemile House (historical) | Building | 113 | Madera | 37 04 19 N | 119 54 25 W |
| Twelvemile House (historical) | Building | 41 | Sacramento | 38 30 46 N | 121 16 32 W |
| Twelvemile House (historical) | Building | 33 | Sacramento | 38 40 22 N | 121 19 45 W |
| Twenty Mule Team Museum | Building | 752 | Kern | 34 59 58 N | 117 39 03 W |
| Twentynine Palms Branch San Bernardino County Library | Building | 608 | San Bernardino | 34 08 31 N | 116 03 17 W |
| Ukiah City Hall | Building | 193 | Mendocino | 39 08 57 N | 123 12 29 W |
| Ukranian Culture Center | Building | 91 | Los Angeles | 34 05 02 N | 118 17 40 W |
| Union City Branch Alameda County Library | Building | 12 | Alameda | 37 35 17 N | 122 01 38 W |
| Union City Station | Building | 15 | Alameda | 37 35 26 N | 122 01 03 W |
| Union House (historical) | Building | 5 | Sacramento | 38 27 57 N | 121 26 51 W |
| Union Station | Building | 7 | San Diego | 32 43 01 N | 117 10 10 W |
| Unisys Building | Building | 92 | Los Angeles | 34 03 29 N | 118 26 41 W |
| United Nations Building | Building | 67 | San Diego | 32 43 44 N | 117 09 13 W |
| United Serbian Benevolent Society Hall | Building | 93 | Los Angeles | 34 02 05 N | 118 10 17 W |
| United States Appraisers Building | Building | 5 | San Francisco | 37 47 47 N | 122 24 05 W |
| United States Corps of Engineers Headquarters | Building | 68 | Los Angeles | 34 01 54 N | 118 03 09 W |
| United States Customs House | Building | 4 | San Francisco | 37 47 47 N | 122 24 03 W |
| United States Department of the Interior Bureau of Reclamation Library | Building | 16 | Sacramento | 38 36 08 N | 121 23 51 W |
| United States Forest Service Center | Building | 159 | Los Angeles | 34 08 50 N | 118 02 06 W |
| United States Forest Service Headquarters | Building | 283 | Los Angeles | 34 09 48 N | 118 07 57 W |
| United States Hotel (historical) | Building | 2552 | Mono | 38 12 47 N | 119 00 42 W |
| University Art Museum | Building | 91 | Alameda | 37 52 08 N | 122 15 21 W |
| University Branch Los Angeles Public Library | Building | 58 | Los Angeles | 34 01 21 N | 118 16 59 W |
| University Center | Building | 53 | Humboldt | 40 52 38 N | 124 04 41 W |
| University Center | Building | 10 | Santa Barbara | 34 24 42 N | 119 50 52 W |
| University Community Branch San Diego Public Library | Building | 117 | San Diego | 32 51 15 N | 117 12 06 W |
| University Hall | Building | 63 | Alameda | 37 52 19 N | 122 16 00 W |
| University Hall | Building | 59 | Los Angeles | 34 01 16 N | 118 16 51 W |
| University Hall | Building | 456 | San Bernardino | 34 10 50 N | 117 19 28 W |
| University Heights Branch San Diego Public Library | Building | 104 | San Diego | 32 45 13 N | 117 08 45 W |
| University House | Building | 92 | Alameda | 37 52 28 N | 122 15 44 W |
| University House | Building | 11 | Sacramento | 38 33 29 N | 121 25 12 W |
| University House | Building | 199 | Santa Cruz | 36 59 32 N | 122 03 39 W |
| University of California Los Angeles Conference Center | Building | 1560 | San Bernardino | 34 15 54 N | 117 11 10 W |
| University Park Fire Station | Building | 20 | Santa Clara | 37 26 43 N | 122 09 58 W |
| University Religious Center | Building | 56 | Los Angeles | 34 01 24 N | 118 17 05 W |
| University Research Library | Building | 142 | Los Angeles | 34 04 29 N | 118 26 29 W |
| University Union | Building | 11 | Sacramento | 38 33 36 N | 121 25 21 W |
| Upland City Hall | Building | 380 | San Bernardino | 34 05 55 N | 117 38 56 W |
| Upland Public Library | Building | 381 | San Bernardino | 34 05 55 N | 117 39 02 W |
| Upper Gould Barn | Building | 483 | Humboldt | 40 17 25 N | 123 59 50 W |
| Upper Lake Branch Lake County Library | Building | 410 | Lake | 39 09 57 N | 122 54 37 W |
| USDA Plant Materials Center | Building | 101 | Alameda | 37 39 49 N | 121 53 22 W |
| Vacaville Branch Solano County Public Library | Building | 54 | Solano | 38 21 04 N | 121 59 41 W |
| Vacaville City Hall | Building | 54 | Solano | 38 21 07 N | 121 59 39 W |
| Vacaville Museum | Building | 57 | Solano | 38 21 24 N | 121 59 41 W |
| Vacaville Town Hall (historical) | Building | 53 | Solano | 38 21 23 N | 121 59 10 W |
| Val Verde School District Office | Building | 445 | Riverside | 33 49 27 N | 117 14 03 W |
| Valencia Branch County of Los Angeles Public Library | Building | 351 | Los Angeles | 34 24 56 N | 118 33 02 W |
| Valencia Park Branch San Diego Public Library | Building | 55 | San Diego | 32 42 16 N | 117 05 11 W |
| Valle Vista Branch Riverside City and County Public Library | Building | 541 | Riverside | 33 44 52 N | 116 53 36 W |
| Vallecitos Atomic Laboratory | Building | 148 | Alameda | 37 36 33 N | 121 50 35 W |
| Vallejo City Hall | Building | 5 | Solano | 38 06 08 N | 122 15 39 W |
| Vallejo Naval and Historical Museum | Building | 16 | Solano | 38 06 11 N | 122 15 23 W |
| Valley Center Branch San Diego County Library | Building | 410 | San Diego | 33 13 51 N | 117 01 30 W |
| Valley Center Community Center | Building | 393 | San Diego | 33 13 17 N | 117 02 21 W |
| Valley Center Fire Station | Building | 417 | San Diego | 33 14 08 N | 117 01 25 W |
| Valley Hi - North Laguna Library | Building | 8 | Sacramento | 38 28 32 N | 121 25 42 W |
| Valley Life Sciences Building | Building | 75 | Alameda | 37 52 18 N | 122 15 44 W |
| Valley Medical Center of Fresno Medical Library | Building | 92 | Fresno | 36 44 17 N | 119 45 12 W |
| Valley Museum | Building | 27 | Stanislaus | 37 38 57 N | 121 00 29 W |
| Valley National Building | Building | | Los Angeles | 34 09 10 N | 118 15 17 W |
| Valley Plaza Branch Los Angeles Public Library | Building | 220 | Los Angeles | 34 11 39 N | 118 24 04 W |
| Valley Resource Center | Building | 83 | Riverside | 33 36 44 N | 114 35 50 W |
| Van De Camp Building | Building | 47 | Los Angeles | 34 00 31 N | 118 18 02 W |
| Van Matre Hall | Building | 55 | Humboldt | 40 52 35 N | 124 04 37 W |
| Van Nuys Branch Los Angeles Public Library | Building | 215 | Los Angeles | 34 11 04 N | 118 26 45 W |
| Van Nuys City Hall | Building | 216 | Los Angeles | 34 11 04 N | 118 26 49 W |
| Vandenberg Village Library | Building | 103 | Santa Barbara | 34 42 00 N | 120 28 01 W |