- Luana Beach
- Lucerne
- Lawters Beach
- Lemolo
- Lincoln
- Little Boston
- Lofall
- Lynwood Center
- Lakedale
- Lauderdale Junction
- Lavender
- Levering
- Laws Corner
- Lacamas
- Littell
- Little Falls
- Little Hoquiam
- Log Cabin Mobile Home Park
- Lone Pine
- Long Island
- Loomis
- Louse Rocks
- Lazy Acres Mobile Home Park
- Lake Bay
- Lake Bowman Mobile Home Park
- Lakeside Terrace Mobile Home Park
- Leber
- Little Cedars Mobile Home Park
- Lone Cedar Mobile Home Park
- Loveland