Waterstone Financial, Inc. operates as a bank holding company for WaterStone Bank SSB that provides various financial services to customers in southeastern Wisconsin, the United States. It operates in two segments, Community Banking and Mortgage Banking. The Community Banking segment offers consumer and business banking products and services, such as deposit and transactional solutions, such as checking, credit, debit and pre-paid cards, online banking and bill pay, and money transfer services; investable funds solutions, such as savings, money market deposits, individual retirement accounts, and certificates of deposit; residential mortgages, home equity loans and lines of credit, personal and installment loans, real estate financing, business loans, and business lines of credit; and fixed and variable annuities, insurance products, and trust and investment management accounts.