RBB Bancorp is a bank holding company with the principal business to serve as the holding company for its wholly-owned banking subsidiaries, including Royal Business Bank and RBB Asset Management Company. The Bank offers personal and commercial banking, real estate loans, and investment services, as well as deposits, debit and credit cards, cash management and other related services. It operates primarily in Los Angeles, San Gabriel, Torrance, Rowland Heights, Westlake Village, Oxnard, Monterey Park, Diamond Bar, Cerritos, West LA, Arcadia, Silverlake, California and Las Vegas, Nevada. RBB Bancorp is headquartered in Los Angeles, California.