Towns
| State | City/Town | Town Title |
|---|---|---|
| California | San Marino | San Marino, CA |
| California | San Martin | San Martin, CA |
| California | San Mateo | San Mateo, CA |
| California | San Miguel | San Miguel, CA |
| California | San Pablo | San Pablo, CA |
| California | San Pedro | San Pedro, CA |
| California | San Quentin | San Quentin, CA |
| California | San Rafael | San Rafael, CA |
| California | San Ramon | San Ramon, CA |
| California | San Simeon | San Simeon, CA |
| California | San Ysidro | San Ysidro, CA |
| California | Sanger | Sanger, CA |
| California | Santa Ana | Santa Ana, CA |
| California | Santa Ana Heights | Santa Ana Heights, CA |
| California | Santa Barbara | Santa Barbara, CA |
| California | Santa Clara | Santa Clara, CA |
| California | Santa Clarita | Santa Clarita, CA |
| California | Santa Cruz | Santa Cruz, CA |
| California | Santa Fe Springs | Santa Fe Springs, CA |
| California | Santa Margarita | Santa Margarita, CA |
| California | Santa Maria | Santa Maria, CA |
| California | Santa Monica | Santa Monica, CA |
| California | Santa Paula | Santa Paula, CA |
| California | Santa Rita Park | Santa Rita Park, CA |
| California | Santa Rosa | Santa Rosa, CA |