Here are a few mid-century banks from across Los Angeles. Thanks to AR for the information.
Santa Monica Bank Pico Branch (1956-1957) – 3304 Pico Boulevard, Santa Monica
Chase Bank (1955-1964)- 4401 Crenshaw Boulevard, Leimert Park
Equitable Savings (1966) – 310 N. Fairfax Avenue, Miracle Mile
Beverly Hills National Bank Building (1965) – 143 S. Barrington Place, Brentwood