- Langley Oaks
- Laurel Hill
- Lee Boulevard Heights
- Lee Forest
- Lee-Hi Village
- Lee Meadows
- Lees Corner
- Leewood
- Legato
- Leighs
- Lewinsville
- Lewinsville Heights
- Lewis Park
- Lexington Estates
- Lincoln Park
- Lincolnia Heights
- Lincolnia Park
- Little Run Estates
- Loisdale Estates
- London Towne
- Lorfax Heights
- Lynbrook
- Lakeland
- Landmark
- Liberty
- Litchfield
- Little Georgetown
- Lois
- Lousetown
- Laurel Branch