BSB Bancorp, Inc. (BSB Bancorp) is a bank holding company of Belmont Savings Bank (the Bank). The Company's Belmont Savings Bank is a chartered savings bank. The Bank's business consists primarily of accepting deposits from the general public, small businesses and municipalities, and investing those deposits, together with funds generated from operations and borrowings, in one- to four-family residential mortgage loans, commercial real estate loans, multi-family real estate loans, home equity lines of credit, indirect automobile loans, commercial business loans, construction loans and investment securities. The Bank offers a range of deposit accounts, including relationship checking accounts for consumers and businesses, passbook and statement savings accounts, certificates of deposit, money market accounts, Interest on Lawyer Trust Accounts (IOLTA), commercial, municipal and regular checking accounts and Individual Retirement Accounts (IRAs).