Bank Branches › Wisconsin › Sauk County › 615 Water St
Full-service office · FDIC office no. 8106
BMO Bank National Association
615 Water St, Sauk City, WI 53583
Open · June 2026
$117M
deposits, 2026
1913
established
4th
of 25 in county
6
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | BMO Bank National Association | $117M | −1% |
| Jun 30 2025 | BMO Bank National Association | $119M | −5% |
| Jun 30 2024 | BMO Bank National AssociationNEW NAME | $125M | −1% |
| Jun 30 2023 | BMO Harris Bank National Association | $126M | −8% |
| Jun 30 2022 | BMO Harris Bank National Association | $137M | +27% |
| Jun 30 2021 | BMO Harris Bank National Association | $108M | +9% |
| Jun 30 2020 | BMO Harris Bank National Association | $98.8M | +11% |
| Jun 30 2019 | BMO Harris Bank National Association | $89.2M | +4% |
| Jun 30 2018 | BMO Harris Bank National Association | $85.6M | +7% |
| Jun 30 2017 | BMO Harris Bank National Association | $79.7M | +15% |
| Jun 30 2016 | BMO Harris Bank National Association | $69.3M | +5% |
| Jun 30 2015 | BMO Harris Bank National Association | $66.2M | −1% |
| Jun 30 2014 | BMO Harris Bank National Association | $67.2M | −3% |
| Jun 30 2013 | BMO Harris Bank National Association | $69.4M | +6% |
| Jun 30 2012 | BMO Harris Bank National AssociationNEW NAME | $65.4M | −6% |
| Jun 30 2011 | M&I Marshall and Ilsley Bank | $69.8M | +3% |
| Jun 30 2010 | M&I Marshall and Ilsley Bank | $67.7M | +1% |
| Jun 30 2009 | M&I Marshall and Ilsley Bank | $67.1M | −4% |
| Jun 30 2008 | M&I Marshall and Ilsley Bank | $70.0M | +5% |
| Jun 30 2007 | M&I Marshall and Ilsley Bank | $66.4M | +12% |
| Jun 30 2006 | M&I Marshall and Ilsley Bank | $59.2M | +11% |
| Jun 30 2005 | M&I Marshall and Ilsley Bank | $53.5M | +2% |
| Jun 30 2004 | M&I Marshall and Ilsley Bank | $52.2M | +1% |
| Jun 30 2003 | M&I Marshall and Ilsley Bank | $51.9M | −4% |
| Jun 30 2002 | M&I Marshall and Ilsley Bank | $54.0M | −2% |
| Jun 30 2001 | M&I Marshall and Ilsley BankNEW NAME | $55.1M | +4% |
| Jun 30 2000 | M&I Bank of Southern Wisconsin | $52.8M | +1% |
| Jun 30 1999 | M&I Bank of Southern Wisconsin | $52.5M | +4% |
| Jun 30 1998 | M&I Bank of Southern Wisconsin | $50.2M | −1% |
| Jun 30 1997 | M&I Bank of Southern WisconsinNEW NAME | $50.9M | −26% |
| Jun 30 1996 | M&I Bank Southwest | $69.0M | +27% |
| Jun 30 1995 | M&I Bank SouthwestNEW NAME | $54.4M | −1% |
| Jun 30 1994 | Valley Bank, Southwest | $55.1M | |
| 1913-09-10 | Office established (FDIC record) — 81 years before this passbook begins | ||
Nearest other open offices in Sauk County
- 0.4 miLake Ridge Bank · 603 Phillips Blvd, Sauk City
- 0.4 miFarmers and Merchants Union Bank · 608 Phillips Blvd, Sauk City
- 0.9 miBank of Prairie du Sac · 865 Phillips Blvd, Sauk City
- 1.2 miBank of Prairie du Sac · 555 Park Ave, Prairie Du Sac
- 13.5 miBaraboo State Bank · 113 2nd Ave, Baraboo
- 13.6 miBaraboo State Bank · 101 3rd Ave, Baraboo
- 13.9 miBaraboo State Bank · 1120 8th St, Baraboo
- 13.9 miBMO Bank National Association · 1159 8th St, Baraboo
All banks in Sauk County →
Every BMO Bank National Association office →
Earlier names and banks folded into BMO Bank National Association →
Names on the sign
1994–1994Valley Bank, Southwest1995–1996M&I Bank Southwest1997–2000M&I Bank of Southern Wisconsin2001–2011M&I Marshall and Ilsley Bank2012–2023BMO Harris Bank National Association2024–nowBMO Bank National Association
The FDIC office number stays with the building when banks merge or rename, so the same office appears under each owner. Follow an earlier name to see what became of that bank.
Deposits are the balances the bank assigned to this office on June 30 of each year, in nominal dollars. Source: FDIC Summary of Deposits, office (UNINUMBR) 8106.