- La Quinta
- La Riviera
- La Salle
- La Selva Beach
- La Verne
- La Vina
- Lacjac
- Lackey Place
- Ladera
- Ladera Heights
- Ladera Ranch
- Lafayette
- Lafler Rock
- Lagol
- Laguna
- Laguna Beach
- Laguna Hills
- Laguna Junction
- Laguna Niguel
- Laguna Woods
- Lagunitas
- Lagunitas-Forest Knolls
- Laird Landing
- Lairds Corner
- Lairds Landing
- Lairport
- Lake Almanor Country Club
- Lake Almanor Peninsula
- Lake Almanor West
- Lake Alpine