- Lakeland Village
- Lakeport
- Lakeside
- Little Mile Rock
- Lobos Rock
- Lamont
- Lanare
- Larkspur
- Las Flores
- Lathrop
- Laton
- Lane
- Larson
- Little Venice Island
- Lawndale
- La Cruz Rock
- La Panza
- Leimert
- Linne
- Lion Rock
- Lodge Hill
- Los Berros
- Los Osos
- Laytonville
- Le Grand
- Lebec
- Lloyden Park
- Lobitos
- Lomita Park
- Lee Vining