Catalyst Bancorp, Inc. operates as a holding company for Catalyst Bank that provides various banking products and services to individuals and businesses in Louisiana. The company accepts various deposit products, including demand and NOW accounts, money market accounts, savings accounts, and certificates of deposit. It offers single family residential first mortgage loans, commercial real estate mortgage loans, multi-family residential mortgage loans, commercial and industrial loans, construction and land loans, consumer loans, and other loans. In addition, the company invests in various types of securities, such as mortgage-backed securities, the U.S. treasury obligations, securities of various federal agencies and of state and municipal governments, certificates of deposit at federally insured banks and savings institutions, and federal funds. Catalyst Bancorp, Inc. was founded in 1922 and is headquartered in Opelousas, Louisiana.