SB One Bancorp operates as a bank holding company for SB One Bank that provides commercial banking and related financial services to individual, business, and government customers. It operates in two segments, Banking and Financial Services, and Insurance Services. The company's deposit products include personal and business checking, money market, and savings accounts, as well as time and demand deposits. Its loan portfolio comprises commercial, consumer, residential mortgage, home equity, and personal loans. The company also operates as a full service general insurance agency, which offers commercial and personal lines of insurance. It operates eight branches located in Sussex County, New Jersey; one branch in Warren County, New Jersey; one branch in Bergen County, New Jersey; and one in Queens County, New York. The company was formerly known as Sussex Bancorp and changed its name to SB One Bancorp in April 2018. SB One Bancorp was founded in 1975 and is based in Rockaway, New Jersey.