PCSB Bank, History
The following are major historical events for PCSB Bank, including mergers and acquisitions.
| 1871-01-01 | Institution established: Original name:Putnam County Savings Bank | |
| 2015-04-29 | Acquired CMS Bank (23047) in MOUNT VERNON, NY | |
| 2015-08-19 | Changed name to PCSB Bank | |
| 2017-04-20 | Changed organization type to STOCK SAVINGS BANK | |
| 2018-12-31 | Changed institution class to INSURED COMMERCIAL BANKS, STATE, NOT MEMBERS OF THE FRS | |
| 2018-12-31 | Changed organization type to COMMERCIAL BANK | |
| 2018-12-31 | Acquired PCSB Commercial Bank (57232) in BREWSTER, NY |