Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Los Alamitos Racetrack | Locale | 10 | Orange | 33 48 27 N | 118 02 39 W |
| Los Alamitos Retarding Basin | Basin | 0 | Orange | 33 45 22 N | 118 05 38 W |
| Los Alamitos-Rossmoor Branch Orange County Public Library | Building | 4 | Orange | 33 46 51 N | 118 04 33 W |
| Los Alamos | Civil | 208 | Santa Barbara | 34 47 06 N | 120 19 32 W |
| Los Alamos | Populated Place | 174 | Santa Barbara | 34 44 40 N | 120 16 42 W |
| Los Alamos Campground | Locale | 942 | Los Angeles | 34 42 02 N | 118 48 23 W |
| Los Alamos Canyon | Valley | | Riverside | 33 33 04 N | 117 23 38 W |
| Los Alamos Cemetery | Cemetery | 220 | Santa Barbara | 34 43 58 N | 120 16 55 W |
| Los Alamos County Park | Park | 192 | Santa Barbara | 34 44 12 N | 120 16 44 W |
| Los Alamos Creek | Stream | | Kern | 34 50 01 N | 118 42 41 W |
| Los Alamos Park | Park | 9 | Orange | 33 42 12 N | 117 56 58 W |
| Los Alamos Post Office | Post Office | 174 | Santa Barbara | 34 44 40 N | 120 16 42 W |
| Los Alamos Ranch | Locale | 627 | Riverside | 33 34 12 N | 117 19 49 W |
| Los Alamos Recreation Site | Locale | 884 | Los Angeles | 34 42 05 N | 118 48 18 W |
| Los Alamos School (historical) | School | 525 | Sonoma | 38 29 23 N | 122 35 30 W |
| Los Alamos Truck Trail | Trail | 573 | Riverside | 33 33 11 N | 117 20 58 W |
| Los Alamos Valley | Valley | | Santa Barbara | 34 46 02 N | 120 26 00 W |
| Los Alamos Y Agua Caliente | Civil | 1363 | Kern | 34 55 45 N | 118 45 43 W |
| Los Alisos Canyon | Valley | | Los Angeles | 34 02 32 N | 118 53 50 W |
| Los Alisos Intermediate School | School | 124 | Orange | 33 37 01 N | 117 41 26 W |
| Los Alisos Mobile Home Estates (subdivision) | Populated Place | 9 | Orange | 33 46 20 N | 118 01 52 W |
| Los Altos | Populated Place | 5 | Los Angeles | 33 47 38 N | 118 07 31 W |
| Los Altos | Populated Place | 48 | Santa Clara | 37 23 07 N | 122 06 51 W |
| Los Altos Branch Long Beach Public Library | Building | 5 | Los Angeles | 33 47 36 N | 118 07 20 W |
| Los Altos Branch Santa Clara County Free Library | Building | 52 | Santa Clara | 37 22 55 N | 122 06 49 W |
| Los Altos Christian High School | School | 60 | Santa Clara | 37 21 38 N | 122 05 56 W |
| Los Altos City Hall | Building | 51 | Santa Clara | 37 22 58 N | 122 06 50 W |
| Los Altos Country Club | Locale | 84 | Santa Clara | 37 21 02 N | 122 05 49 W |
| Los Altos Elementary School | School | 43 | Los Angeles | 33 55 12 N | 118 01 54 W |
| Los Altos Elementary School | School | 150 | Los Angeles | 33 59 18 N | 117 58 38 W |
| Los Altos Elementary School | School | 83 | San Diego | 32 34 19 N | 117 03 01 W |
| Los Altos High School | School | 111 | Los Angeles | 34 00 28 N | 117 58 37 W |
| Los Altos High School | School | 42 | Santa Clara | 37 23 11 N | 122 06 30 W |
| Los Altos Hills | Populated Place | 90 | Santa Clara | 37 22 47 N | 122 08 15 W |
| Los Altos Intermediate School | School | 52 | Ventura | 34 13 31 N | 119 01 45 W |
| Los Altos Post Office | Post Office | 57 | Santa Clara | 37 22 50 N | 122 07 12 W |
| Los Altos Rancho Shopping Center | Locale | 60 | Santa Clara | 37 21 39 N | 122 05 49 W |
| Los Altos School District Office | Building | 63 | Santa Clara | 37 22 16 N | 122 06 25 W |
| Los Altos Sewage Disposal Plant | Locale | 2 | Santa Clara | 37 26 02 N | 122 06 06 W |
| Los Altos United Methodist Church | Church | | Los Angeles | 33 48 11 N | 118 06 57 W |
| Los Altos-Woodland Branch Santa Clara County Free Library | Building | 71 | Santa Clara | 37 20 41 N | 122 04 34 W |
| Los Alturas Continuation High School | School | 72 | Santa Barbara | 34 27 00 N | 119 45 24 W |
| Los Amigos Continuation High School | School | 50 | Sacramento | 38 40 46 N | 121 17 20 W |
| Los Amigos Elementary School | School | 8 | Napa | 38 13 51 N | 122 19 52 W |
| Los Amigos Golf Course | Locale | 31 | Los Angeles | 33 56 10 N | 118 09 39 W |
| Los Amigos Gun Club | Locale | 68 | Kern | 35 42 05 N | 119 31 01 W |
| Los Amigos High School | School | 16 | Orange | 33 43 20 N | 117 55 38 W |
| Los Amigos Junior High School | School | 361 | San Bernardino | 34 05 49 N | 117 37 14 W |
| Los Amigos Park | Park | 23 | Los Angeles | 34 00 20 N | 118 28 50 W |
| Los Amoles Creek | Stream | | Santa Barbara | 34 33 42 N | 120 21 53 W |
| Los Angeles | Populated Place | 89 | Los Angeles | 34 03 08 N | 118 14 37 W |
| Los Angeles Academy Middle School | School | 102 | Los Angeles | 34 05 41 N | 118 19 08 W |
| Los Angeles Amarillo Airway Beacon 17 | Tower | 759 | San Bernardino | 34 41 00 N | 116 09 04 W |
| Los Angeles Aqueduct | Canal | 1023 | Inyo | 35 38 33 N | 117 53 39 W |
| Los Angeles Aqueduct | Canal | 695 | Los Angeles | 34 32 30 N | 118 30 39 W |
| Los Angeles Athletic Club | Building | 81 | Los Angeles | 34 02 48 N | 118 15 18 W |
| Los Angeles Baptist High School | School | 280 | Los Angeles | 34 14 56 N | 118 29 09 W |
| Los Angeles Basin | Basin | 84 | Los Angeles | 34 03 00 N | 118 14 33 W |
| Los Angeles Branch Federal Reserve Bank of San Francisco | Building | 77 | Los Angeles | 34 02 34 N | 118 15 34 W |
| Los Angeles Childrens Museum | Building | 90 | Los Angeles | 34 03 16 N | 118 14 26 W |
| Los Angeles City College | School | 94 | Los Angeles | 34 05 12 N | 118 17 38 W |
| Los Angeles City Fire Station | Building | 386 | Los Angeles | 34 18 32 N | 118 26 53 W |
| Los Angeles City Hall | Building | 93 | Los Angeles | 34 03 13 N | 118 14 34 W |
| Los Angeles Civic Center | Building | 115 | Los Angeles | 34 03 25 N | 118 14 46 W |
| Los Angeles Coliseum | Locale | 49 | Los Angeles | 34 00 50 N | 118 17 15 W |
| Los Angeles College Aircraft School | School | 32 | Los Angeles | 33 56 52 N | 118 23 44 W |
| Los Angeles College of Chiropractic | School | 85 | Los Angeles | 33 55 25 N | 117 58 56 W |
| Los Angeles College of Chiropractic | School | | Los Angeles | 34 08 45 N | 118 14 36 W |
| Los Angeles Community Hospital | Hospital | 61 | Los Angeles | 34 01 09 N | 118 11 11 W |
| Los Angeles Convention Center | Building | 72 | Los Angeles | 34 02 36 N | 118 16 11 W |
| Los Angeles Country Club | Locale | 113 | Los Angeles | 34 04 10 N | 118 25 23 W |
| Los Angeles County | Civil | 1506 | Los Angeles | 34 22 00 N | 118 12 03 W |
| Los Angeles County and State Arboretum | Park | 158 | Los Angeles | 34 08 30 N | 118 03 15 W |
| Los Angeles County Animal Shelter Number 5 | Locale | 714 | Los Angeles | 34 42 12 N | 118 13 23 W |
| Los Angeles County Art Museum | Building | 52 | Los Angeles | 34 03 48 N | 118 21 31 W |
| Los Angeles County Camp 10 | Locale | 369 | Los Angeles | 34 25 18 N | 118 31 23 W |
| Los Angeles County Camp 7 | Locale | 1161 | Los Angeles | 34 39 12 N | 118 26 43 W |
| Los Angeles County Camp Farmer | Locale | 1678 | Los Angeles | 34 23 27 N | 117 46 20 W |
| Los Angeles County Courthouse | Building | 109 | Los Angeles | 34 03 20 N | 118 14 50 W |
| Los Angeles County Fairgrounds | Locale | 301 | Los Angeles | 34 05 07 N | 117 45 55 W |
| Los Angeles County Fire Department Heliport | Airport | 449 | Ventura | 34 05 00 N | 118 52 06 W |
| Los Angeles County Fire Station | Building | 1014 | Los Angeles | 34 40 30 N | 118 25 48 W |
| Los Angeles County Fire Station Number 11 | Building | 366 | Los Angeles | 34 11 34 N | 118 09 30 W |
| Los Angeles County Fire Station Number 12 | Building | 400 | Los Angeles | 34 11 18 N | 118 07 58 W |
| Los Angeles County Fire Station Number 123 Heliport | Airport | 559 | Los Angeles | 34 22 53 N | 118 24 55 W |
| Los Angeles County Fire Station Number 39 | Building | 37 | Los Angeles | 33 58 01 N | 118 09 51 W |
| Los Angeles County Hall of Justice | Building | 101 | Los Angeles | 34 03 21 N | 118 14 34 W |
| Los Angeles County Hall of Records | Building | 100 | Los Angeles | 34 03 18 N | 118 14 36 W |
| Los Angeles County Hospital | Hospital | 103 | Los Angeles | 34 03 46 N | 118 12 24 W |
| Los Angeles County Jail | Building | 89 | Los Angeles | 34 03 38 N | 118 13 50 W |
| Los Angeles County Medical Center | Hospital | 115 | Los Angeles | 34 03 34 N | 118 12 27 W |
| Los Angeles County Mens Detention Center - Main Jail Heliport | Airport | 89 | Los Angeles | 34 03 37 N | 118 13 52 W |
| Los Angeles County Sheriff Lakewood Heliport | Airport | 16 | Los Angeles | 33 51 03 N | 118 08 03 W |
| Los Angeles County Sheriff's Department - Crescenta Valley Station | Building | 469 | Los Angeles | 34 13 10 N | 118 13 53 W |
| Los Angeles County Sheriffs Department Heliport | Airport | 115 | Los Angeles | 34 00 15 N | 117 56 16 W |
| Los Angeles County Sheriffs Department Heliport | Airport | 82 | Los Angeles | 34 02 16 N | 118 09 16 W |
| Los Angeles Doctors Hospital | Hospital | 63 | Los Angeles | 34 02 09 N | 118 18 34 W |
| Los Angeles Elementary School | School | 61 | Los Angeles | 34 02 56 N | 118 18 22 W |
| Los Angeles Equestrian Center | Park | 146 | Los Angeles | 34 09 32 N | 118 18 28 W |
| Los Angeles Fire Department Station Number 60 | Building | 193 | Los Angeles | 34 10 04 N | 118 22 42 W |
| Los Angeles Flower Mart | Locale | 75 | Los Angeles | 34 02 29 N | 118 14 59 W |
| Los Angeles Hanmi Presbyterian Church | Church | | Los Angeles | 34 03 20 N | 118 01 08 W |
| Los Angeles Harbor | Bay | 6 | Los Angeles | 33 42 35 N | 118 16 03 W |
| Los Angeles Harbor Administration Building | Building | 12 | Los Angeles | 33 44 28 N | 118 16 55 W |
| Los Angeles Harbor College | School | 10 | Los Angeles | 33 47 03 N | 118 16 55 W |
| Los Angeles Harbor General Hospital | Hospital | 14 | Los Angeles | 33 49 48 N | 118 17 44 W |
| Los Angeles High Memorial Park | Park | 59 | Los Angeles | 34 03 25 N | 118 19 55 W |
| Los Angeles History House Museum | Building | 52 | Santa Clara | 37 22 53 N | 122 06 44 W |
| Los Angeles Indian Church of the Nazarene | Church | 102 | Los Angeles | 34 04 18 N | 118 12 52 W |
| Los Angeles International Airport | Airport | 35 | Los Angeles | 33 56 33 N | 118 24 32 W |