Branch Network
Bay Bank Locations & Branches Green Bay, Wisconsin
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Bay Bank operates 3 branches from its headquarters in Green Bay, WI, .
Bay Bank branch network
All 3 branches are in WISCONSIN, across 2 cities. Green Bay, WI has the most of its branches, 2. Its largest office by deposits is its main office in Green Bay, WI, with $141.7M (53.5% of its branch deposits). It had the same number of branches on June 30, 2025.
Bay Bank at a glance
Its CET1 capital ratio was 22.31% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $315.7M
- CET1 ratio, Q2 2026
- 22.31%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 041
- Established
- 1995
Full financial profile · Is Bay Bank safe? · Bay Bank call report · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Green Bay, WI (2 branches) | 8 of 13 | 1.2% | $146.5M |
| State: WI (3 branches) | 104 of 185 | 0.1% | $264.9M |
Ranked by total assets among banks headquartered in the state: Largest banks in Wisconsin.
Share by county and metro area
Bay Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Brown, WI (2 branches) | 10 of 16 | 1.1% | $146.5M | $13.77B |
| Menominee, WI (1 branch) | 1 of 1 | 100.0% | $118.4M | $118.4M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Green Bay, WI (2 branches) | 11 of 20 | 1.0% | $146.5M | $14.85B |
| Shawano, WI (1 branch) | 2 of 9 | 15.6% | $118.4M | $758.9M |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Bay Bank (main office) | Green Bay, WI | 54313 | $141.7M |
| Bay Bank-Menominee Branch | Keshena, WI | 54135 | $118.4M |
| West Mason Location Branch | Green Bay, WI | 54303 | $4.8M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 34052) · FFIEC NIC profile (RSSD 2329200)