Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Minor Farm | Locale | 30 | Glenn | 39 27 50 N | 122 07 32 W |
| Mission Park | Park | 30 | San Francisco | 37 45 35 N | 122 25 38 W |
| Mission San Francisco Solano | Church | 30 | Sonoma | 38 17 42 N | 122 27 20 W |
| Modesto Union Academy | School | 30 | Stanislaus | 37 36 32 N | 120 57 35 W |
| Montara | Populated Place | 30 | San Mateo | 37 32 32 N | 122 30 58 W |
| Monte Vista School (historical) | School | 30 | Stanislaus | 37 31 20 N | 120 53 06 W |
| Morningside High School | School | 30 | Los Angeles | 33 56 27 N | 118 20 02 W |
| Mount Vernon | Populated Place | 30 | Sutter | 39 10 25 N | 121 45 12 W |
| Mountain View High School | School | 30 | Santa Clara | 37 23 17 N | 122 05 02 W |
| Mountaire Park | Park | 30 | Contra Costa | 37 59 23 N | 121 48 09 W |
| Museo Italo Americano | Building | 30 | San Francisco | 37 47 58 N | 122 24 38 W |
| Nativity Catholic Church | Church | 30 | Los Angeles | 33 50 01 N | 118 19 19 W |
| Neff High School | School | 30 | Los Angeles | 33 53 15 N | 118 00 52 W |
| Neighborhood Church of Santa Clara | Church | 30 | Santa Clara | 37 20 58 N | 121 59 14 W |
| Neil O'Hara Park | Park | 30 | Marin | 38 07 05 N | 122 36 48 W |
| New Life Center | Church | 30 | Sacramento | 38 36 16 N | 121 17 21 W |
| Newman Youth Center | Building | 30 | Stanislaus | 37 19 14 N | 121 01 51 W |
| Nickerson Gardens (subdivision) | Populated Place | 30 | Los Angeles | 33 55 55 N | 118 14 54 W |
| Nimbus Powerhouse | Building | 30 | Sacramento | 38 38 15 N | 121 13 13 W |
| Nita Carman Park | Park | 30 | Orange | 33 32 21 N | 117 46 31 W |
| Noel Heights | Populated Place | 30 | Sonoma | 38 29 38 N | 122 57 44 W |
| North Park | Park | 30 | Stanislaus | 37 28 22 N | 121 07 47 W |
| Northbay Centre Shopping Center | Locale | 30 | Sonoma | 38 20 50 N | 122 42 40 W |
| Northridge Shopping Center | Locale | 30 | Monterey | 36 43 02 N | 121 39 29 W |
| Northrop University | School | 30 | Los Angeles | 33 57 06 N | 118 22 32 W |
| Norwalk Community Hospital | Hospital | 30 | Los Angeles | 33 54 39 N | 118 03 50 W |
| Oak Lake | Lake | 30 | San Diego | 33 08 33 N | 117 16 22 W |
| Oasis Christian Center | Church | 30 | Santa Barbara | 34 24 52 N | 119 42 57 W |
| Ocean Knoll Park | Park | 30 | Orange | 33 27 59 N | 117 41 33 W |
| Oceanside Shopping Center | Locale | 30 | San Diego | 33 12 04 N | 117 19 59 W |
| Old School Park | Park | 30 | Orange | 33 36 11 N | 117 52 27 W |
| Olsen Park | Park | 30 | Sonoma | 38 17 58 N | 122 28 14 W |
| One Hundred Eleventh Street School | School | 30 | Los Angeles | 33 56 03 N | 118 14 44 W |
| One Hundred Ninth Street Elementary School | School | 30 | Los Angeles | 33 56 13 N | 118 15 42 W |
| One Hundred Thirty-Fifth Street Elementary School | School | 30 | Los Angeles | 33 54 33 N | 118 17 22 W |
| One Hundred Twelfth Street Elementary School | School | 30 | Los Angeles | 33 56 00 N | 118 15 09 W |
| Orangewood Academy | School | 30 | Orange | 33 45 53 N | 117 54 39 W |
| Orestimba High School | School | 30 | Stanislaus | 37 19 17 N | 121 01 55 W |
| Osage Avenue School | School | 30 | Los Angeles | 33 58 07 N | 118 22 42 W |
| Osborn Elementary School | School | 30 | Stanislaus | 37 29 38 N | 120 51 48 W |
| Pacific Plaza Shopping Center | Locale | 30 | San Diego | 32 48 07 N | 117 14 18 W |
| Palms Middle School | School | 30 | Los Angeles | 34 01 23 N | 118 24 59 W |
| Parrott Landing | Locale | 30 | Butte | 39 37 05 N | 121 58 48 W |
| Perkins Lake | Lake | 30 | Butte | 39 35 19 N | 121 57 35 W |
| Persehone Park | Park | 30 | Stanislaus | 37 35 53 N | 120 56 06 W |
| Peter Marshall Elementary School | School | 30 | Orange | 33 50 24 N | 117 58 41 W |
| Peter Marshall Park | Park | 30 | Orange | 33 50 30 N | 117 58 38 W |
| Philadelphia Church | Church | 30 | Alameda | 37 46 30 N | 122 10 55 W |
| Pick Anderson Bypass | Canal | 30 | Merced | 37 07 52 N | 120 40 56 W |
| Pierre Park | Park | 30 | Stanislaus | 37 38 44 N | 120 58 17 W |
| Pinkley Park | Park | 30 | Orange | 33 37 50 N | 117 54 51 W |
| Pioneer Park | Park | 30 | Merced | 37 15 06 N | 120 59 39 W |
| Planehaven Park | Park | 30 | Sacramento | 38 39 57 N | 121 22 44 W |
| Point Loma Senior High School | School | 30 | San Diego | 32 44 22 N | 117 13 56 W |
| Pomeroy Elementary School | School | 30 | Santa Clara | 37 20 53 N | 121 59 13 W |
| Ponderosa Elementary School | School | 30 | Santa Clara | 37 21 43 N | 122 00 32 W |
| Poso Slough | Gut | 30 | Merced | 37 07 43 N | 120 42 26 W |
| Primera Iglesia Pentecostal | Church | 30 | Santa Clara | 37 19 50 N | 121 54 25 W |
| Prunedale School (historical) | School | 30 | Monterey | 36 47 17 N | 121 40 16 W |
| Riceton | Populated Place | 30 | Butte | 39 26 58 N | 121 43 32 W |
| Rio del Valle Elementary School | School | 30 | Ventura | 34 13 57 N | 119 09 15 W |
| Ritter Elementary School | School | 30 | Los Angeles | 33 56 02 N | 118 13 38 W |
| River Oaks Golf Course | Locale | 30 | Stanislaus | 37 36 40 N | 120 56 06 W |
| Riverview Elementary School | School | 30 | Sacramento | 38 36 59 N | 121 17 34 W |
| Roberts Lake | Reservoir | 30 | Sonoma | 38 21 55 N | 122 42 38 W |
| Roberts Lake Park | Park | 30 | Sonoma | 38 21 52 N | 122 42 37 W |
| Rohnert Park Sewage Treatment Plant | Locale | 30 | Sonoma | 38 21 15 N | 122 43 07 W |
| Rohnert Park-Cotati Branch Sonoma County Library | Building | 30 | Sonoma | 38 20 44 N | 122 42 32 W |
| Rosicrucian Museum and Planetarium | Building | 30 | Santa Clara | 37 20 04 N | 121 55 22 W |
| Rosicrucian Order Research Library | Building | 30 | Santa Clara | 37 20 03 N | 121 55 22 W |
| Rossmoor Park | Park | 30 | Sacramento | 38 36 59 N | 121 17 29 W |
| Rossmoor Shopping Center | Locale | 30 | Sacramento | 38 36 45 N | 121 17 29 W |
| Sacramento County Sheriff - Northwest Service Center | Building | 30 | Sacramento | 38 42 13 N | 121 23 03 W |
| Sacred Heart Catholic Church | Church | 30 | Colusa | 39 16 38 N | 122 11 50 W |
| Saint Agatha School | School | 30 | Los Angeles | 34 01 53 N | 118 21 07 W |
| Saint Agathas Hall | Building | 30 | Los Angeles | 34 01 56 N | 118 21 07 W |
| Saint Agathas Roman Catholic Church | Church | 30 | Los Angeles | 34 01 56 N | 118 21 06 W |
| Saint Albert the Great School | School | 30 | Los Angeles | 33 53 39 N | 118 15 39 W |
| Saint Clements Episcopal Church | Church | 30 | Sacramento | 38 36 20 N | 121 17 14 W |
| Saint Francis of Assisi Roman Catholic Church | Church | 30 | San Francisco | 37 47 57 N | 122 24 27 W |
| Saint Francis Solano Catholic Cemetery | Cemetery | 30 | Sonoma | 38 17 28 N | 122 26 46 W |
| Saint Johns Lutheran School | School | 30 | Napa | 38 19 16 N | 122 19 14 W |
| Saint Lukes German Evangelical Church (historical) | Church | 30 | San Francisco | 37 45 57 N | 122 25 45 W |
| Saint Marks Roman Catholic Church | Church | 30 | Los Angeles | 33 56 15 N | 118 13 57 W |
| Saint Nicholas Russian Orthodox Cathedral | Church | 30 | San Francisco | 37 45 57 N | 122 25 45 W |
| Saint Patricks Episcopal Church | Church | 30 | Contra Costa | 37 55 20 N | 122 18 37 W |
| Saint Paul of the Cross School | School | 30 | Los Angeles | 33 54 31 N | 118 01 54 W |
| Saint Philip Benizi School | School | 30 | Orange | 33 52 02 N | 117 58 03 W |
| Saint Rose of Lima Roman Catholic Church | Church | 30 | San Diego | 32 38 06 N | 117 04 34 W |
| Saint Timothys Orthodox Church | Church | 30 | Santa Barbara | 34 38 39 N | 120 27 39 W |
| Salinas Shopping Center | Locale | 30 | Monterey | 36 43 00 N | 121 39 16 W |
| Salt Slough Ditch | Canal | 30 | Merced | 37 07 11 N | 120 40 12 W |
| San Antonio Elementary School | School | 30 | Santa Clara | 37 21 03 N | 121 51 06 W |
| San Jose Convention Center | Building | 30 | Santa Clara | 37 19 50 N | 121 53 19 W |
| San Luis Wasteway | Canal | 30 | Merced | 37 06 27 N | 120 55 59 W |
| San Miguel Convent | Church | 30 | Los Angeles | 33 56 14 N | 118 13 56 W |
| San Miguel Elementary School | School | 30 | Los Angeles | 33 56 13 N | 118 13 53 W |
| San Miguel Parish Hall | Building | 30 | Los Angeles | 33 56 13 N | 118 13 57 W |
| San Rafael Methodist Church | Church | 30 | Marin | 37 58 34 N | 122 33 01 W |
| San Ysidro Branch San Diego Public Library | Building | 30 | San Diego | 32 33 17 N | 117 02 40 W |
| Sanjon De Santa Rita | Civil | 30 | Merced | 37 06 21 N | 120 41 40 W |
| Santa Ana Hospital Medical Center | Hospital | 30 | Orange | 33 45 44 N | 117 54 07 W |
| Santa Barbara Community Church | Church | 30 | Santa Barbara | 34 25 17 N | 119 43 11 W |
| Santa Clara First Baptist Church | Church | 30 | Santa Clara | 37 20 49 N | 121 59 02 W |
| Santa Clara High School | School | 30 | Santa Clara | 37 20 44 N | 121 58 55 W |
| Santa Nella Shopping Center | Locale | 30 | Merced | 37 15 31 N | 120 59 59 W |
| Santa Rosa Baptist Church | Church | 30 | Sonoma | 38 25 31 N | 122 46 10 W |
| Santa Rosa Christian School | School | 30 | Sonoma | 38 25 23 N | 122 46 06 W |
| Santa Rosa Industrial Airpark | Locale | 30 | Sonoma | 38 25 07 N | 122 45 49 W |
| Santa Ynez Lake | Lake | 30 | Los Angeles | 34 02 37 N | 118 33 05 W |