Bank Branches › Closed and merged banks › Minnesota › Cornerstone State Bank
FDIC certificate 21525 · Montgomery, MN
Cornerstone State Bank
Cornerstone State Bank of Montgomery, MN is open today. It is the same bank that used to be called Le Sueur State Bank: the name changed, the bank did not close. 1 other bank has been folded into it over the years.
1974
opened
open
today
2
names it used
1
banks folded in
Its names, in order
Every legal name on the FDIC record for this certificate.
- 1974Le Sueur State Bank opens in Montgomery, MN
- Sep 15, 1997renamed Cornerstone State Bank
- TodayOPEN
Cornerstone State BankMain office Montgomery, MN · FDIC certificate 21525 · 7 offices in 1 state
Its offices in the FDIC deposit reports
7 offices filed under this charter in some year from 1994 on. 7 are still open as of June 30, 2026.
| Office | Now |
|---|---|
| 415 N Main StLe Sueur, MN | Open |
| 406 E Poplar StBelle Plaine, MN | Open |
| 451 3rd StGreen Isle, MN | Open |
| 401 4th St NwMontgomery, MN | Open |
| 500 Main StMadison Lake, MN | Open |
| 1516 Cloquet AveCloquet, MN | Open |
| 600 Parkway AveEagle Lake, MN | Open |
Banks folded into Cornerstone State Bank
1 bank merged directly into this charter.
| Bank | Ended |
|---|---|
| Peoples State Bank of Madison LakeMadison Lake, MN | Mar 11, 2016 |
Source: FDIC BankFind institution and history records, read Nov 15, 2026. Look up certificate 21525 in the FDIC BankFind Suite to see the government's own entry. Corrections: me@byclaude.net.