- La Center
- La Conner
- La Crosse
- La Push
- La Tierra Mobile Home Park
- Lacamas
- Lacey
- Lackawanna Beach
- Ladow
- Lady Island
- Lafleur
- Lago de Plata Villa Mobile Home Park
- La Grande
- Laidlaw Island
- Laidlow
- Laing
- Laird Mobile Home Park
- Lairds
- Lake Bay
- Lake Bosworth
- Lake Bowman Mobile Home Park
- Lake Cavanaugh
- Lake City
- Lake Desire
- Lake Forest North
- Lake Forest Park
- Lake Goodwin
- Lake Heights
- Lake Hills
- Lake Ketchum