CFSB Bancorp, Inc. is a holding company that provides various financial services to small businesses and individuals as a subsidiary of 15 Beach, MHC. The company offers a range of deposit services such as savings accounts, money market accounts, certificates of deposit, interest & non-interest-bearing checking accounts. Additionally, it invests in different types of investment-grade investment securities and liquid assets, including corporate debt, mortgage-backed securities, mutual funds, and certificates of deposit of federally insured institutions.