Belmont Savings Bank is a Massachusetts chartered savings bank headquartered in Belmont, Massachusetts. The Bank provides financial services to individuals, families and businesses through its full-service branch offices located in Belmont, Cambridge, Newton, Waltham, and Watertown in Southeast Middlesex County, Massachusetts. The Bank's primary lending market includes Essex, Middlesex, Norfolk and Suffolk Counties, Massachusetts.
Belmont Savings Bank was previously organized under the mutual holding structure. On October 5, 2011 BSB Bancorp, Inc., the bank’s parent company completed the conversion from a mutual holding company structure to a publicly-owned stock company. As part of the conversion, the bank established a $2 million community foundation. The bank will utilize the funds from the foundation to aid in funding worthwhile endeavors in the community.