OP Bancorp operates as the bank holding company for Open Bank that provides banking products and services. It offers demand, savings, money market, and time deposit accounts, as well as certificates of deposit. It also provides commercial real estate, small business administration, home mortgage, and consumer loans. It operates full branch offices in Los Angeles and Orange Counties in California, as well as Santa Clara, California; Carrollton, Texas; Las Vegas, Nevada Pleasanton, California; Atlanta, Georgia; Aurora, Colorado; Lynnwood, Washington; and Fairfax, Virginia. The company was founded in 2005 and is headquartered in Los Angeles, California.