Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| South Library | Building | 262 | Los Angeles | 34 14 15 N | 118 31 47 W |
| South Natomas Library | Building | 5 | Sacramento | 38 37 08 N | 121 29 57 W |
| South Pasadena City Hall | Building | 202 | Los Angeles | 34 06 58 N | 118 09 07 W |
| South Pasadena Public Library | Building | 203 | Los Angeles | 34 06 52 N | 118 09 21 W |
| South Placer Fire Station | Building | 195 | Placer | 38 49 32 N | 121 07 29 W |
| South Placer Fire Station | Building | 79 | Placer | 38 44 36 N | 121 13 07 W |
| South San Francisco City Hall | Building | 22 | San Mateo | 37 39 22 N | 122 24 47 W |
| South San Francisco Public Library | Building | 27 | San Mateo | 37 39 09 N | 122 26 12 W |
| South Shore Senior Citizens Center | Building | 414 | Lake | 38 56 57 N | 122 38 06 W |
| South Whittier Branch County of Los Angeles Public Library | Building | 57 | Los Angeles | 33 55 27 N | 118 01 27 W |
| Southeast Branch Stockton-San Joaquin County Public Library | Building | 6 | San Joaquin | 37 55 48 N | 121 15 58 W |
| Southeast Branch Torrance Public Library | Building | 21 | Los Angeles | 33 48 54 N | 118 19 13 W |
| Southern California Genealogical Society Library | Building | 185 | Los Angeles | 34 10 50 N | 118 18 28 W |
| Southern Pacific Depot (historical) | Building | 61 | Sacramento | 38 40 39 N | 121 10 43 W |
| Southern Pacific Terminal | Building | 6 | San Francisco | 37 46 42 N | 122 23 34 W |
| Southern Regional Library Facility | Building | 141 | Los Angeles | 34 04 15 N | 118 27 13 W |
| Southgate Community Library | Building | 7 | Sacramento | 38 29 31 N | 121 26 11 W |
| Southwest Museum | Building | 170 | Los Angeles | 34 06 02 N | 118 12 20 W |
| Spanish Village Art Center | Building | 93 | San Diego | 32 44 02 N | 117 08 51 W |
| Spanos Center | Building | 3 | San Joaquin | 37 58 30 N | 121 19 01 W |
| Spartan Complex | Building | 28 | Santa Clara | 37 20 03 N | 121 52 58 W |
| Spartan Memorial | Building | 28 | Santa Clara | 37 20 04 N | 121 52 60 W |
| Spens-Black Hall | Building | 75 | Alameda | 37 52 03 N | 122 15 37 W |
| Spieker Aquatics Complex | Building | 75 | Alameda | 37 52 08 N | 122 15 44 W |
| Spieth Hall | Building | 327 | Riverside | 33 58 22 N | 117 19 35 W |
| Sports Arena | Building | 50 | Los Angeles | 34 00 45 N | 118 17 02 W |
| Spreckels Mansion | Building | 105 | San Francisco | 37 47 33 N | 122 25 39 W |
| Spreckels Organ Pavilion | Building | 83 | San Diego | 32 43 46 N | 117 09 01 W |
| Spreckels Theater | Building | 14 | San Diego | 32 42 55 N | 117 09 48 W |
| Spring Valley Branch San Diego County Library | Building | 86 | San Diego | 32 42 48 N | 117 00 59 W |
| Springer Gateway | Building | 69 | Alameda | 37 52 19 N | 122 15 54 W |
| Sproul Hall | Building | 86 | Alameda | 37 52 11 N | 122 15 32 W |
| Sproul Hall | Building | 141 | Los Angeles | 34 04 18 N | 118 27 00 W |
| Sproul Hall | Building | 322 | Riverside | 33 58 21 N | 117 19 46 W |
| Sproul Hall | Building | 17 | Yolo | 38 32 25 N | 121 44 49 W |
| Spruce Hall | Building | 33 | Santa Clara | 37 25 43 N | 122 10 37 W |
| Stage Coach Inn Museum | Building | 202 | Ventura | 34 10 45 N | 118 54 41 W |
| Stanford Auxiliary Library | Building | 16 | Santa Clara | 37 25 48 N | 122 09 18 W |
| Stanford Center for Research and Development in Education | Building | 24 | Santa Clara | 37 25 29 N | 122 10 02 W |
| Stanford M Anderson Water Treatment Plant | Building | 32 | Los Angeles | 33 58 06 N | 118 21 33 W |
| Stanford Museum | Building | 23 | Santa Clara | 37 25 58 N | 122 10 15 W |
| Stanislaus County Courthouse | Building | 28 | Stanislaus | 37 38 24 N | 120 59 51 W |
| Stanislaus County Juvenile Center | Building | 23 | Stanislaus | 37 39 41 N | 121 02 37 W |
| Stanislaus County Law Library | Building | 28 | Stanislaus | 37 38 24 N | 120 59 51 W |
| Stanislaus Library | Building | 33 | Stanislaus | 37 31 33 N | 120 51 28 W |
| Stanley Hall | Building | 114 | Alameda | 37 52 27 N | 122 15 22 W |
| Stanley Plummer Community Building | Building | 298 | Los Angeles | 34 06 27 N | 117 48 11 W |
| Stanley S Zack Library | Building | 12 | Los Angeles | 33 48 15 N | 118 08 47 W |
| Stannard Hall | Building | 37 | Los Angeles | 34 00 35 N | 118 19 39 W |
| Stanton Branch Orange County Public Library | Building | 19 | Orange | 33 48 09 N | 117 59 45 W |
| Stanton City Hall | Building | 19 | Orange | 33 48 08 N | 117 59 47 W |
| Stauffer Science Lecture Hall | Building | 55 | Los Angeles | 34 01 11 N | 118 17 15 W |
| Steinbeck Museum | Building | 19 | Monterey | 36 37 12 N | 121 54 30 W |
| Steinhardt Aquarium | Building | 77 | San Francisco | 37 46 10 N | 122 27 57 W |
| Stephens Hall | Building | 94 | Alameda | 37 52 17 N | 122 15 28 W |
| Sterling Quadrangle | Building | 40 | Santa Clara | 37 25 33 N | 122 10 46 W |
| Stern Hall | Building | 122 | Alameda | 37 52 29 N | 122 15 19 W |
| Stern Hall | Building | 22 | Santa Clara | 37 25 28 N | 122 09 57 W |
| Steven Spielberg Music Scoring Stage | Building | 56 | Los Angeles | 34 01 20 N | 118 17 08 W |
| Stevenson Hall | Building | 44 | Sonoma | 38 20 29 N | 122 40 36 W |
| Stevenson House | Building | 7 | Monterey | 36 35 50 N | 121 53 37 W |
| Stevinson Branch Merced County Library | Building | 25 | Merced | 37 19 41 N | 120 51 24 W |
| Stewart Mansion | Building | 774 | Nevada | 39 15 33 N | 121 01 24 W |
| Stinson Beach Branch Marin County Free Library | Building | 15 | Marin | 37 53 56 N | 122 38 17 W |
| Stinson Cabin | Building | 1302 | Siskiyou | 41 50 13 N | 121 43 00 W |
| Stockton City Hall | Building | 4 | San Joaquin | 37 57 26 N | 121 17 31 W |
| Stockton Memorial Civic Auditorium | Building | 4 | San Joaquin | 37 57 28 N | 121 17 37 W |
| Stockton Record Library | Building | 5 | San Joaquin | 37 57 09 N | 121 17 03 W |
| Stokes Adobe | Building | 12 | Monterey | 36 35 48 N | 121 53 46 W |
| Stone Cabin (historical) | Building | 787 | Los Angeles | 34 12 20 N | 117 56 48 W |
| Stonier Hall | Building | 56 | Los Angeles | 34 01 13 N | 118 17 12 W |
| Storer Hall | Building | 16 | Yolo | 38 32 28 N | 121 45 17 W |
| Storke Hall | Building | 33 | Santa Clara | 37 25 33 N | 122 10 21 W |
| Storke Tower | Building | 13 | Santa Barbara | 34 24 45 N | 119 50 54 W |
| Storm Hall | Building | 125 | San Diego | 32 46 38 N | 117 04 26 W |
| Stratford Branch Kings County Library | Building | 62 | Kings | 36 11 22 N | 119 49 23 W |
| Strathearn Museum | Building | 215 | Ventura | 34 16 31 N | 118 48 04 W |
| Strathmore Branch Tulare County Library | Building | 123 | Tulare | 36 08 48 N | 119 03 28 W |
| Stuart Kirkwood Livery Stable | Building | 2553 | Mono | 38 12 51 N | 119 00 43 W |
| Studio City Branch Los Angeles Public Library | Building | 191 | Los Angeles | 34 09 02 N | 118 24 22 W |
| Sturgeon House | Building | 2557 | Mono | 38 12 42 N | 119 00 53 W |
| Sugg House | Building | 547 | Tuolumne | 37 59 01 N | 120 22 54 W |
| Sun City Branch Riverside City and County Public Library | Building | 436 | Riverside | 33 42 49 N | 117 11 30 W |
| Sun City Chamber of Commerce | Building | 437 | Riverside | 33 42 41 N | 117 11 22 W |
| Sun City Town Hall | Building | 438 | Riverside | 33 42 34 N | 117 11 37 W |
| Sun Valley Branch Los Angeles Public Library | Building | 244 | Los Angeles | 34 12 53 N | 118 22 15 W |
| Sunkist Branch Anaheim Public Library | Building | 56 | Orange | 33 49 41 N | 117 52 50 W |
| Sunkist Branch County of Los Angeles Public Library | Building | 97 | Los Angeles | 34 03 18 N | 117 58 37 W |
| Sunkist Building | Building | 93 | Los Angeles | 34 03 05 N | 118 15 18 W |
| Sunland-Tujunga Branch Los Angeles Public Library | Building | 471 | Los Angeles | 34 15 28 N | 118 18 03 W |
| Sunny Hills Orphanage | Building | 33 | Marin | 37 59 00 N | 122 33 44 W |
| Sunnymead Chamber of Commerce | Building | 498 | Riverside | 33 56 09 N | 117 13 38 W |
| Sunnymead Community Center | Building | 500 | Riverside | 33 56 10 N | 117 13 37 W |
| Sunnyside Baptist Youth Center | Building | 49 | Los Angeles | 33 57 02 N | 118 17 44 W |
| Sunnyvale City Hall | Building | 37 | Santa Clara | 37 22 16 N | 122 02 16 W |
| Sunnyvale Civic Center | Building | 36 | Santa Clara | 37 22 22 N | 122 02 17 W |
| Sunnyvale Community Center | Building | 41 | Santa Clara | 37 21 30 N | 122 01 32 W |
| Sunnyvale Public Library | Building | 37 | Santa Clara | 37 22 19 N | 122 02 22 W |
| Sunnyvale Public Safety Center | Building | 38 | Santa Clara | 37 22 16 N | 122 02 25 W |
| Sunset Branch Library | Building | 71 | San Francisco | 37 45 45 N | 122 28 35 W |
| Sunset Canyon Recreation Center | Building | 152 | Los Angeles | 34 04 27 N | 118 27 06 W |
| Sunset Community Center | Building | 58 | Monterey | 36 33 05 N | 121 55 16 W |
| Sunset Hall | Building | 51 | Humboldt | 40 52 41 N | 124 04 47 W |
| Sunshine Mission Home | Building | 60 | Los Angeles | 34 01 51 N | 118 17 01 W |
| Support Maintenance Facility | Building | 60 | Monterey | 36 39 22 N | 121 47 51 W |
| Surfing Museum | Building | 4 | Ventura | 34 16 41 N | 119 18 02 W |
| Susanville City Hall | Building | 1299 | Lassen | 40 25 11 N | 120 39 42 W |
| Sutro Baths (historical) | Building | 15 | San Francisco | 37 46 48 N | 122 30 49 W |
| Sutter Branch Sutter County Free Library | Building | 21 | Sutter | 39 09 33 N | 121 44 55 W |
| Sutter Club | Building | 7 | Sacramento | 38 34 42 N | 121 29 46 W |