PCSB Bank

History

The bank was established in 1871 in Brewster, New York as the Putnam County Savings Bank.

In April 2015, the bank acquired CMS Bancorp.

In October 2015, the bank changed its name to PCSB Bank.

In April 2017, the company converted itself from a mutual organization to a joint-stock company and became a public company via an initial public offering.

In May 2022, The company was acquired by Brookline Bancorp for $313 Million. On September 1, 2025, Brookline Bancorp merged with Berkshire Hills Bancorp; PCSB Bank is expected to rebrand and merge customer service systems into the combined Beacon Bank in early 2026.

References

References

1. "PCSB Financial Corporation 2016 Form 10-K Annual Report". [[U.S. Securities and Exchange Commission]].
2. (April 28, 2015). "Putnam County Savings Bank Announces Completion of Merger With CMS Bancorp Inc.". [[GlobeNewswire]].
3. (October 2, 2015). "Putnam County Savings Bank Announces Name Change To PCSB Bank". [[PRNewswire]].
4. (April 20, 2017). "PCSB Financial Corporation Completes Conversion Stock Offering". [[PRNewswire]].
5. "Brookline Bancorp, Inc. and PCSB Financial Corporation Announce Strategic Merger".
6. [https://www.bankri.com/wp-content/uploads/2025/08/PR-Berkshire-Hills-and-Brookline-Receive-Regulatory-Approvals_FINAL.pdf Berkshire Hills Bancorp and Brookline Bancorp Receive Regulatory Approvals for Merger of Equals to form Beacon Financial Corporation]