| 901 | 1005 | Nov 2016 | Santa Rosa Rancho | Other | Riverside | |
| 902 | 369 | Jun 2016 | Santa Ysabel Chapel | State | San Diego | |
| 903 | 435 | May 2015 | Saratoga | State | Santa Clara | |
| 904 | 691 | Sep 2015 | Sarcophagus of Thomas Starr King | State | San Francisco | |
| 905 | 527 | May 2016 | Savage Trading Post | Other | Mariposa | |
| 906 | 1046 | Apr 2016 | Savannah Memorial Park | State | Los Angeles | |
| 907 | 424 | Jun 2015 | Sawmill Flat | State | Tuolumne | |
| 908 | 561 | Jun 2015 | Schramsberg Vineyard | State | Napa | |
| 909 | 774 | Nov 2015 | Searles Lake Borax Discovery | State | San Bernadino | |
| 910 | 474 | Apr 2015 | Searsville Site | State | San Mateo | |
| 911 | 133 | Jul 2014 | Sebastian Indian Reservation | Other | Kern | |
| 912 | 739 | Apr 2014 | Sebastiani Vineyard and Winery | State | Sonoma | |
| 913 | 726 | Apr 2015 | Sebastian Store | State | San Luis Obispo | |
| 914 | 460 | Jun 2015 | Second Garrote | State | Tuolumne | |
| 915 | 199 | Apr 2016 | Serrano Adobe | Other | Orange | |
| 916 | 185 | May 2016 | Serrano Boulder | None | Riverside | |
| 917 | 186 | May 2016 | Serrano Tanning Vats | State | Riverside | |
| 918 | 67 | Sep 2014 | Serra Palm Site | State | San Diego | |
| 919 | 522 | Apr 2016 | Serra Springs | Other | Los Angeles | |
| 920 | 764 | Feb 2015 | Sessions Nursery Site | State | San Diego | |
| 921 | 1022 | Feb 2015 | Shafter Cotton Research Station | State | Kern | |
| 922 | 395 | Jun 2015 | Shaw's Flat | State | Tuolumne | |
| 923 | 439 | Jul 2014 | Sheldon Grist Mill Site | State | Sacramento | |
| 924 | 335 | Jul 2014 | Shell Mound Site | Other | Alameda | |
| 925 | 456 | Mar 2015 | Shingle Springs | State | El Dorado | |
| 926 | 83 | Sep 2015 | Shoreline Markers | Other | San Francisco | |
| 927 | 971 | Oct 2015 | Sierra County Sheriff's Gallows | State | Sierra | |
| 928 | 1053 | Jun 2015 | Sierra Railway Shops | State | Tuolumne | |
| 929 | 1039 | Jul 2014 | Sikh Temple | None | San Joaquin | |
| 930 | 202 | Apr 2016 | Silverado | State | Orange | |
| 931 | 540 | Jan 2015 | Sinks of the Tejón | State | Kern | |
| 932 | 469 | Apr 2015 | Site of Center of Villa de Branciforte | State | Santa Cruz | |
| 933 | 45 | Jul 2014 | Site of College of California | State | Alameda | |
| 934 | 1048 | Apr 2015 | Site of Echo Summit | State | El Dorado | |
| 935 | 87 | Sep 2015 | Site of First United States Branch Mint in California | State | San Francisco | |
| 936 | 346 | Mar 2015 | Site of Hock Farm | State | Sutter | |
| 937 | 718 | Mar 2016 | Site of Initial United States Air Meet | State | Los Angeles | |
| 938 | 654 | Jul 2014 | Site of Jewish Synagogue | State | Sacramento | |
| 939 | 676 | Jul 2014 | Site of Saint Mary's College | Other | Alameda | |
| 940 | 478 | Apr 2015 | Site of San Mateo County's First Sawmill | State | San Mateo | |
| 941 | 380 | Apr 2016 | Site of the Diego Sepúlveda Adobe | None | Los Angeles | |
| 942 | 789 | Mar 2016 | Site of the Los Angeles Star | State | Los Angeles | |
| 943 | 575 | Jul 2014 | Sloughhouse | State | Sacramento | |
| 944 | 321 | Jul 2015 | Smartsville | None | Yuba | |
| 945 | 994 | Jun 2014 | Smiley Public Library | State | San Bernadino | |
| 946 | 712 | Nov 2014 | Soberanes Adobe | Other | Monterey | |
| 947 | 422 | Jun 2015 | Sonora-Mono Road | State | Tuolumne | |
| 948 | 420 | Jun 2015 | Soulsbyville | State | Tuolumne | |
| 949 | 846 | Apr 2015 | Southern Pacific Depot: Burlingame | State | San Mateo | |
| 950 | 955 | Jan 2015 | Southern Pacific Depot: Menlo Park | State | San Mateo | |
| 951 | 33 | Jul 2015 | Southern's Stage Station | Other | Shasta | |
| 952 | 832 | Jul 2015 | South Yuba Canal Office | State | Nevada | |
| 953 | 989 | Jul 2016 | Soviet Transpolar Landing Site | Other | Riverside | |
| 954 | 891 | Sep 2014 | Spanish Landing | State | San Diego | |
| 955 | 481 | Oct 2015 | Spanish Ranch and Meadow Valley | Other | Plumas | |
| 956 | 432 | Jun 2015 | Springfield | Other | Tuolumne | |
| 957 | 857 | Jan 2015 | Squire House | State | Santa Clara | |
| 958 | 894 | Apr 2016 | SS Catalina | Other | Los Angeles | |
| 959 | 497 | Jul 2015 | S.S. Emidio | State | Del Norte | |
| 960 | 598 | Apr 2014 | Stage and Railroad Site | None | Sacramento | |
| 961 | 659 | May 2015 | Stagecoach Inn | Missing | Ventura | |
| 962 | 614 | Mar 2015 | Stanford-Lathrop House | State | Sacramento | |
| 963 | 1030 | Sep 2014 | Star of India | State | San Diego | |
| 964 | 872 | Jul 2014 | State Capitol Complex | State | Sacramento | |
| 965 | 153 | May 2014 | State Capitol in Benicia | State | Solano | |
| 966 | 574 | May 2014 | State Capitol in Vallejo | Other | Solano | |
| 967 | 461 | May 2015 | State Capitol Site | Other | Santa Clara | |
| 968 | 869 | Jul 2014 | State Capitols Site | State | Sacramento | |
| 969 | 991 | Jul 2014 | State Indian Museum | Other | Sacramento | |
| 970 | 906 | Oct 2015 | Steele Brothers Dairy Ranches | State | San Mateo | |
| 971 | 769 | Aug 2015 | Stevenot Birthplace | Other | Calaveras | |
| 972 | 352 | Jan 2017 | Stevenson House | Other | Monterey | |
| 973 | 788 | Jun 2015 | Stewart Store | State | Amador | |
| 974 | 919 | Mar 2017 | St. Francis Dam Disaster Site | State | Los Angeles | |
| 975 | 1016 | Oct 2014 | Stockton Developmental Center | State | San Joaquin | |
| 976 | 578 | Oct 2014 | Stoddard-Waite Monument | Other | San Bernadino | |
| 977 | 426 | Jun 2015 | Stone And Kelsey Home | State | Lake | |
| 978 | 263 | May 2015 | Stone Corral | None | Calaveras | |
| 979 | 450 | Jun 2015 | Stone House | State | Lake | |
| 980 | 396 | Jul 2015 | Strawberry Valley Stage Station | Other | Siskiyou | |
| 981 | 142 | Mar 2015 | Studebaker's Shop Site | Other | El Dorado | |
| 982 | 567 | Mar 2016 | St. Vincent's Place (Court) | State | Los Angeles | |
| 983 | 630 | Jun 2015 | St. Vincent's School for Boys | State | Marin | |
| 984 | 428 | Jun 2015 | Sulphur Bank Mine Site | Missing | Lake | |
| 985 | 407 | Jun 2015 | Summersville (Tuolumne) | State | Tuolumne | |
| 986 | 926 | Jun 2015 | Sun House | State | Mendocino | |
| 987 | 322 | Jun 2015 | Sutter Creek | Other | Amador | |
| 988 | 525 | Jul 2014 | Sutter's Fort | Other | Sacramento | |
| 989 | 591 | Jul 2014 | Sutter's Landing | State | Sacramento | |
| 990 | 593 | Mar 2015 | Sutterville | Other | Sacramento | |
| 991 | 345 | Jun 2015 | Swift Adobe | Other | Glenn | |
| 992 | 238 | Mar 2015 | Swift's Stone Corral | None | Colusa | |
| 993 | 496 | Apr 2014 | Swiss Hotel | State | Sonoma | |
| 994 | 573 | Oct 2014 | Sycamore Grove | Other | San Bernadino | |
| 995 | 756 | Jan 2015 | Sycamore Tree | Missing | Ventura | |
| 996 | 413 | Feb 2015 | Tailholt | State | Tulare | |
| 997 | 360 | Sep 2014 | Tapia Adobe | State | San Bernadino | |
| 998 | 1034 | Jul 2016 | Tecolote Rancho Site | State | Imperial | |
| 999 | 508 | Jan 2015 | Tehachapi Loop | Other | Kern | |
| 1000 | 643 | Jan 2015 | Tehachapi Old Town | State | Kern | |
| 1001 | 91 | Sep 2015 | Telegraph Hill | Other | San Francisco | |
| 1002 | 237 | May 2014 | Temelec Hall | State | Sonoma | |
| 1003 | 765 | Apr 2017 | Temple Israel Cemetery | State | San Joaquin | |
| 1004 | 927 | Jun 2015 | Temple of Kwan Tai | Other | Mendocino | |
| 1005 | 934.02 | Jul 2014 | Temporary Detention Camp for Japanese Americans/Merced Assembly Center | State | Merced | |
| 1006 | 934.03 | Oct 2014 | Temporary Detention Camp for Japanese Americans/Pinedale Assembly Center | State | Fresno | |
| 1007 | 934.04 | Mar 2017 | Temporary Detention Camp for Japanese Americans/Pomona Assembly Center | Other | Los Angeles | |
| 1008 | 934.05 | Aug 2014 | Temporary Detention Camp for Japanese Americans/Sacramento Assembly Center | Other | Sacramento | |
| 1009 | 934.06 | Nov 2014 | Temporary Detention Camp for Japanese Americans/Salinas Assembly Center | State | Monterey | |
| 1010 | 934.07 | Apr 2016 | Temporary Detention Camp for Japanese Americans/Santa Anita Assembly Center | Other | Los Angeles | |
| 1011 | 934.08 | Oct 2014 | Temporary Detention Camp for Japanese Americans/Stockton Assembly Center | State | San Joaquin | |
| 1012 | 934.09 | Apr 2015 | Temporary Detention Camp for Japanese Americans/Tanofran Assembly Center | Other | San Mateo | |
| 1013 | 934.10 | Oct 2014 | Temporary Detention Camp for Japanese Americans/Tulare Assembly Center | None | Tulare | |
| 1014 | 934.11 | Jul 2014 | Temporary Detention Camp for Japanese Americans/Turlock Assembly Center | None | Stanislaus | |
| 1015 | 934.00 | Jul 2014 | Temporary Japanese American Detention Camp/Assembly Center -Fresno | State | Fresno | |
| 1016 | 934.01 | Mar 2015 | Temporary Japanese American Detention Camp/Assembly Center - Marysville | Other | Yuba | |
| 1017 | 653 | Nov 2015 | The Cascades | Missing | Los Angeles | |
| 1018 | 506 | Jun 2015 | THE COMMUNITY METHODIST CHURCH OF IONE | State | Amador | |
| 1019 | 387 | Sep 2015 | THE GLASS HOUSE, CASA MATERNA OF THE VALLEJOS | None | Monterey | |
| 1020 | 1055 | Sep 2015 | The Mystery Spot | Soon | Santa Cruz | |
| 1021 | 1010 | Sep 2015 | Third Baptist Church Site | State | San Francisco | |
| 1022 | 929 | Mar 2015 | Thompson Seedless Grape Site | State | Sutter | |
| 1023 | 320 | Jul 2015 | Timbuctoo | State | Yuba | |
| 1024 | 384 | Apr 2016 | Timms' Point and Landing | State | Los Angeles | |
| 1025 | 649 | Jul 2015 | Tolowa Indian Village Site | State | Del Norte | |
| 1026 | 1054 | Nov 2015 | Tomo Kahni | State | Kern | |
| 1027 | 283 | May 2014 | Top Of Grapveine Pass, Where Don Pedro Fages Passed In 1772 | State | Kern | |
| 1028 | 995 | Apr 2017 | Trail of the John C. Fremont 1844 Expedition | Other | San Joaquin | |
| 1029 | 995.1 | Aug 2014 | Trail of the John C. Frémont 1844 Expedition - Mono | Other | Mono | |
| 1030 | 780 | Mar 2015 | Transcontinental Railroad | State | Sacramento | |
| 1031 | 780.9 | May 2015 | Transcontinental Railroad - Cape Horn Promontory | Other | Placer | |
| 1032 | 1023 | Feb 2015 | Transcontinental Railroad Depot | State | San Diego | |
| 1033 | 780.7 | Jul 2014 | Transcontinental Railroad- Site of Completion of Pacific Railroad | Missing | San Joaquin | |
| 1034 | 780.6 | Aug 2014 | Transcontinental Railroad-Truckee | State | Nevada | |
| 1035 | 780.8 | Jul 2014 | Transcontinental Railroad - Western Base of the Sierra Nevada | State | Sacramento | |
| 1036 | 987 | Sep 2015 | Treasure Island | State | San Francisco | |
| 1037 | 216 | Jul 2015 | Trinidad | State | Humboldt | |
| 1038 | 146 | Jul 2015 | Trinidad Head | Other | Humboldt | |
| 1039 | 374 | Jan 2015 | Tulamniu Indian Site | Other | Kern | |
| 1040 | 850.2 | Oct 2015 | Tule Lake Relocation Center | State | Modoc | |
| 1041 | 388 | Feb 2015 | Tule River Indian Reservation | State | Tulare | |
| 1042 | 473 | Feb 2015 | Tule River Stage Station | State | Tulare | |
| 1043 | 182 | Jul 2016 | Tumco Mines | State | Imperial | |
| 1044 | 997 | Apr 2016 | Tuna Club of Avalon | State | Los Angeles | |
| 1045 | 375 | Apr 2015 | Tunitas Beach Indian Village | None | San Mateo | |
| 1046 | 973 | May 2014 | Turner/Robertson Shipyard Site | State | Solano | |
| 1047 | 124 | Aug 2015 | Tuttletown | State | Tuolumne | |
| 1048 | 939.3 | Jul 2016 | Twentieth Century Folk Art: Desert Tower | State | Imperial | |
| 1049 | 980 | Jun 2015 | Ukiah Vichy Springs Resort | State | Mendocino | |
| 1050 | 1025 | Apr 2016 | Ukrania (Ukrainia) | State | Alameda | |
| 1051 | 816 | Apr 2015 | Union Cemetery | State | San Mateo | |
| 1052 | 627 | May 2014 | Union Hotel and Union Hall Site | State | Sonoma | |
| 1053 | 996 | Jan 2015 | Union Oil Company | Other | Ventura | |
| 1054 | 623 | Sep 2015 | Union Square | Missing | San Francisco | |
| 1055 | 946 | Jul 2014 | University of California, Berkeley | State | Alameda | |
| 1056 | 1029 | Jan 2015 | USS Hornet | None | Alameda | |
| 1057 | 1042 | Sep 2014 | USS Recruit | State | San Diego | |
| 1058 | 273 | Aug 2015 | Vallecito | Other | Calaveras | |
| 1059 | 370 | Aug 2015 | Vallecito Bell Monument | Other | Calaveras | |
| 1060 | 304 | Oct 2016 | Vallecito Stage Station | State | San Diego | |
| 1061 | 4 | May 2017 | Vallejo Estate | Other | Sonoma | |
| 1062 | 46 | Jan 2015 | Vallejo Flour Mill | State | Alameda | |
| 1063 | 251 | May 2015 | Valley Springs | Other | Calaveras | |
| 1064 | 443 | Nov 2015 | Valley Wells | State | Inyo | |
| 1065 | 351 | Apr 2015 | Vásquez House (Vasquez Adobe) | None | Monterey | |
| 1066 | 259 | Jun 2014 | Vasquez Tree and Site of 21-Mile House | State | Santa Clara | |
| 1067 | 847 | Aug 2014 | Ventura County Courthouse | State | Ventura | |
| 1068 | 828 | Jun 2015 | Veterans Home of California | State | Napa | |
| 1069 | 400 | Aug 2014 | Virginiatown | State | Placer | |
| 1070 | 29 | Aug 2015 | Volcano | State | Amador | |
| 1071 | 859 | Oct 2014 | Von Schmidt State Boundary Monument | State | San Bernadino | |
| 1072 | 815 | Jun 2015 | Wakamatsu Tea and Silk Farm Colony | State | El Dorado | |
| 1073 | 99 | Apr 2015 | Walker Pass | State | Kern | |
| 1074 | 969 | Jan 2015 | Wallis Home Site | State | Santa Clara | |
| 1075 | 893 | May 2014 | Walters Ranch Hop Kiln | State | Sonoma | |
| 1076 | 311 | Jun 2016 | Warner's Ranch | State | San Diego | |
| 1077 | 624 | Jan 2015 | Warring Park | Other | Ventura | |
| 1078 | 993 | Mar 2016 | Watts Tower | Other | Los Angeles | |
| 1079 | 709 | Jul 2015 | Weaverville Joss House | State | Trinity | |
| 1080 | 165 | Oct 2014 | Weber Point | State | San Joaquin | |
| 1081 | 581 | May 2015 | Well 2-6 | Other | Kern | |
| 1082 | 516 | May 2016 | Well, CSO 4 | Other | Los Angeles | |
| 1083 | 582 | Apr 2015 | Well, Hill 4 | Other | Santa Barbara | |
| 1084 | 140 | Jun 2015 | Wells Fargo Express Company Building | Other | Tuolumne | |
| 1085 | 957 | Oct 2014 | Wente Brothers Winery | State | Alameda | |
| 1086 | 601 | Mar 2015 | Western Hotel | None | Sacramento | |
| 1087 | 658 | Jan 2015 | Western Hotel | State | Los Angeles | |
| 1088 | 268 | Aug 2015 | West Point | State | Calaveras | |
| 1089 | 65 | Sep 2014 | Whaley House | State | San Diego | |
| 1090 | 597 | Apr 2014 | What Cheer House | None | Sacramento | |
| 1091 | 650 | Sep 2015 | What Cheer House Site | State | San Francisco | |
| 1092 | 1003 | Mar 2015 | Wheatland Hop Riot Site | Other | Yuba | |
| 1093 | 131 | Jul 2015 | Whiskeytown | None | Shasta | |
| 1094 | 719 | Jul 2014 | Wilder Grave | State | Sacramento | |
| 1095 | 415 | Jun 2015 | Willms Ranch | None | Stanislaus | |
| 1096 | 130 | Jan 2015 | Willow Springs | Other | Kern | |
| 1097 | 868 | May 2015 | Winchester House | State | Santa Clara | |
| 1098 | 804 | May 2014 | Wolfskill Grant | State | Solano | |
| 1099 | 358 | May 2015 | Woodbridge | None | San Joaquin | |
| 1100 | 851 | Mar 2015 | Woodland Opera House | State | Yolo | |
| 1101 | 163 | May 2015 | Wood's Ferry and Wood's Bridge Site | None | San Joaquin | |
| 1102 | 93 | Apr 2015 | Woodside Store | State | San Mateo | |
| 1103 | 454 | Sep 2015 | Woodward's Gardens Site | State | San Francisco | |
| 1104 | 874.1 | Oct 2014 | Workman Cemetery | State | Los Angeles | |
| 1105 | 874 | Oct 2014 | Workman Home | State | Los Angeles | |
| 1106 | 398 | Jul 2015 | Yankee Jims | State | Placer | |
| 1107 | 191 | May 2016 | Yorba-Slaughter Adobe | State | San Bernadino | |
| 1108 | 682 | Jun 2015 | York Cabin Site | State | Napa | |
| 1109 | 790 | May 2016 | Yosemite Valley | State | Mariposa | |
| 1110 | 564 | Jun 2015 | Yount Blockhouse Site | State | Napa | |
| 1111 | 901 | Jul 2015 | Yreka | State | Siskiyou | |
| 1112 | 528 | Jun 2014 | Yucaipa Adobe | State | San Bernadino | |
| 1113 | 620 | Jun 2014 | Yucaipa Rancheria | State | San Bernadino | |
| 1114 | 1008 | Jul 2016 | Yuha Well | State | Imperial | |
