Timberland Bancorp, Inc. operates as the bank holding company for Timberland Bank that provides various community banking services in Washington. It offers various deposit products, including money market deposit, checking, and regular savings accounts, as well as certificates of deposit. The company also provides one-to four-family residential, multi-family, commercial real estate loans, and land loans; and construction lending products, such as custom and owner/builder, speculative one- to four-family, commercial, multi-family, and land development.