Barrios de California L
- La Crescenta-Montrose
- La Cresta/Alta Vista
- La Habra City
- La Jolla Heights
- La Jolla Shores
- La Jolla Village
- La Playa
- La Plaza
- La Presa
- La Riviera
- La Sierra
- La Sierra Acres
- La Sierra South
- Lacy
- Ladera Heights
- Lafayette Meadow
- Laguna
- Laguna Heights
- Laguna Stonelake
- Laguna West
- Lake Murray
- Lake Park
- Lake Street
- Lakehouse
- Lakeside
- Lakeside
- Lakeview
- Lakewood Country Club
- Lakewood Village
- Lamanda Park
- Land Park
- Lankershim
- Larkey Park Area
- Larkfield-Wikiup
- Las Virgenes
- Laurelglen
- Lawrence Station
- Leimert Park
- Lido Isle
- Limestone Canyon
- Lincoln Park
- Lincoln Village
- Lincoln Village West
- Lincoln-San Rafael Hill
- Linda Vista
- Linda Vista
- Lindenwood
- Linfield Oaks
- Little Armenia
- Little Italy
- Little Italy
- Little Lake City
- Little Pocket
- Little Tokyo
- Logan
- Logan Heights
- Loma Alta
- Loma Linda
- Loma Portal
- Loma Verde
- Lone Hill Highlands
- Lone Mountain
- Long Beach Municipal Airport
- Longfellow
- Longwood- Winton Grove
- Los Altos
- Los Cerritos
- Los Nietos
- Los Serranos
- Lowell
- Lowell
- Lower Arroyo
- Lower Bal
- Lower East
- Lower Haight
- Lower Hills District
- Lower Lakewood
- Lower Nob
- Lower Pacific Heights
- Lower Peters Canyon
- Lower Riviera
- Lower State
- Lower West
- Lucerne-Higuera
- Luna Park
- Lynn
- Lyon Hoag
- Lyon Street