RBB Bancorp operates as the bank holding company for Royal Business Bank that provides business-banking and consumer products and services to Asian-centric communities in the United States. The company offers deposit products, including checking, savings, money market, and time deposits; retail deposits; brokered deposits, collateralized deposits, and deposits acquired through internet listing services; and certificates of deposit. It also provides lending products, such as single-family residential, commercial real estate, construction and land development, commercial and industrial, and small business administration loans. In addition, the company offers remote deposit, E-banking, mobile banking, and treasury management services. It operates branches in Los Angeles County, California; Orange County, California; Ventura County, California; Honolulu, Hawaii. RBB Bancorp was founded in 2008 and is headquartered in Los Angeles, California.