Stellar Bancorp, Inc. operates as the bank holding company for Allegiance Bank that provides a range of commercial banking services primarily to small and medium-sized businesses, professionals, and individual customers. It accepts deposit products, including checking accounts, commercial accounts, money market accounts, savings accounts, and other time deposits; and certificates of deposit. The company's loan portfolio comprises commercial and industrial loans; commercial real estate loans, including multi-family residential loans; commercial real estate construction and land development loans; residential real estate loans, such as 1-4 family residential mortgage loans; residential construction loans; and consumer and other loans. In addition, it offers automated teller machine services, drive-through services, and depository facilities; mobile banking services; and telephone, mail, and Internet banking services. Further, the company provides safe deposit boxes, debit cards, cash management and wire transfer services, night depository services, direct deposits, cashier's checks, and letters of credit. As of December 31, 2021, it operated 27 full-service banking locations, including 26 bank offices in the Houston metropolitan area and one office in Beaumont. The company was founded in 2007 and is headquartered in Houston, Texas.