NB Bancorp, Inc. is a bank holding company for Needham Bank, serving the Greater Boston metropolitan area and surrounding communities in the United States. It offers deposit products such as certificates of deposit, individual retirement accounts, money market accounts, savings, NOW, demand deposit, and interest-bearing and noninterest-bearing checking accounts. Its lending portfolio includes commercial real estate, multifamily residential, one- to four-family residential real estate, mortgage warehouse, construction and land development, commercial and industrial, and consumer loans, as well as home equity loans and lines of credit. The company also invests in U.S. Treasury and federal agency securities, government-sponsored residential mortgage-backed securities, corporate bonds, SBA securities, and municipal bonds. Founded in 1892, NB Bancorp is based in Needham, Massachusetts.