United Security Bancshares operates as the bank holding company for United Security Bank that provides a range of commercial banking services primarily to the business and professional community, and individuals in California. Its deposit products include personal and business checking accounts, savings accounts, interest-bearing negotiable order of withdrawal accounts, money market accounts, and time certificates of deposit. The company's loan portfolio consists of real estate mortgage, commercial and industrial, real estate construction, and consumer loans, as well as agricultural and lease financing. It also offers a range of services, such as cashiers checks, travelers checks, money orders, and foreign drafts, as well as Internet banking services to its commercial and retail customers, and financial and wealth management services. United Security Bancshares operates 11 banking branches, 1 construction lending office, and 1 financial services office in Fresno, Madera, Kern, and Santa Clara counties. The company was founded in 1987 and is headquartered in Fresno, California.