Barrios de California T
- Tahoe Park
- Tahoe Park East
- Talmadge
- Tamalpais Valley
- Tamien
- Taquitz Canyon River Estates
- Tara Hills
- Tarzana
- Taylor Junction
- Telegraph Hill
- Temescal
- Tennyson-Alquire
- Teralta East
- Teralta West
- Terra Nova
- Terra Vista
- Terrace
- Terrace
- Terrace-Shurtleff
- Thai Town
- The Block
- The Bridge District
- The Bungalows
- The Carridor
- The Colony
- The Crossings
- The Cultural Arts District
- The East Side
- The Embarcadero
- The Haight
- The Hill
- The Keys
- The Movie Colony
- The Oaks
- The Oaks Pasadena
- The Seasons
- The Waterfront
- The Willows
- Thornton Park
- Thunderbird
- Tierra Vista
- Tierrasanta
- Tijuana River Valley
- Toluca Lake
- Torrance Beach
- Torrance Heights Civic
- Torrey Highlands
- Torrey Pines
- Torrey Preserve
- Tower District
- Town Center
- Town Center
- Towncenter
- Townsend
- Toy District
- Toyon
- Trade Winds
- Trails Area
- Transbay
- Treasure Island
- Tri-City
- Tropico
- Tujunga
- Turtle Ridge
- Turtle Rock
- Tuscany Hills
- Tuxedo