First Seacoast Bancorp operates as a holding company for First Seacoast Bank that provides various banking products and services for individuals and businesses. The company offers interest-bearing and non-interest-bearing checking, savings, and money market accounts; and certificates of deposit. It also provides various lending products comprising one- to four-family residential real estate loans; commercial real estate and multi-family loans; acquisition, development, and land loans; commercial and industrial loans; home equity loans and lines of credit; and consumer loans. In addition, the company offers wealth management services, such as retirement planning, portfolio management, investment and insurance strategies, business retirement plans, and college planning services. It operates through its wealth management office located in Dover, New Hampshire; and four full-service banking offices in Strafford County, New Hampshire; and one full-service banking office in Rockingham County, New Hampshire. The company was founded in 1890 and is headquartered in Dover, New Hampshire. First Seacoast Bancorp is a subsidiary of First Seacoast Bancorp, MHC.