- Lake Madera Country Estates
- Ledger Island
- Lagunitas-Forest Knolls
- Lairds Landing
- Los Ranchitos
- Lucas Valley-Marinwood
- Largo
- Laughlin
- Little Penny
- Longvale
- Lingard
- Los Baños
- Lakeview Junction
- Lands Island
- Liskey
- Lookout Junction
- Lake Mary
- Lower Town
- Lundy
- Lafler Rock
- Lobos Rock
- Lonoak
- Lopez Rock
- Lafayette
- Lakeview
- Lakewood
- Lewiston
- Los Alamos
- La Mesa
- La Palma