- Loyalton
- Lucerne
- Lynwood
- La Selva Beach
- Larkin Valley
- Laurel
- Lompico
- Lakeshore
- Lakeview Resort
- Las Colinas Mobile Home Park
- Lazy Landing Mobile Home Park
- Loomis Corners
- Loganville
- Laird Landing
- Lakin
- Leaf
- Little Shasta
- Logan
- Leisure Town
- Liberty Island
- Lone Tree Island (historical)
- Lakeville
- Larkfield
- Las Lomas
- Lawndale
- Liberty
- Llano
- Lira
- Lomo
- Las Flores