United Security Bancshares operates as the bank holding company for United Security Bank that provides a range of commercial banking services in the United States. The company offers deposit instruments, including personal and business checking accounts, savings accounts, interest-bearing negotiable order of withdrawal accounts, money market accounts, and time certificates of deposit. It also provides lending products, such as real estate, real estate construction, commercial and industrial, agricultural, and installment loans. In addition, the company offers online and mobile banking, safe deposit boxes, wire transfers, interactive teller machine services, payroll direct deposit, cashier's checks, cash management, and foreign draft services, as well as person-to-person and bank-to-bank transfers for consumer customers. It serves the business and professional community, and individuals. United Security Bancshares was founded in 1987 and is headquartered in Fresno, California.