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The First Bank of Greenwich Locations & Branches Cos Cob, Connecticut
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The First Bank of Greenwich operates 3 branches from its headquarters in Cos Cob, CT, .
The First Bank of Greenwich branch network
Its 3 branches span 2 states and 3 cities. The most are in CONNECTICUT (2) and NEW YORK (1). CONNECTICUT holds 83.7% of its branch deposits. Its largest office by deposits is the The First Bank of Greenwich office in Cos Cob, CT, with $464.0M (68.2% of its branch deposits). It had the same number of branches on June 30, 2025.
The First Bank of Greenwich at a glance
Its CET1 capital ratio was 11.10% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $812.3M
- CET1 ratio, Q2 2026
- 11.10%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 2006
Full financial profile · Is The First Bank of Greenwich safe? · The First Bank of Greenwich Q3 2026 call report, filed October 23, 2026 (preliminary) · 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: Cos Cob, CT (1 branch) | 1 of 4 | 49.2% | $464.0M |
| State: CT (2 branches) | 30 of 46 | 0.3% | $569.4M |
Ranked by total assets among banks headquartered in the state: Largest banks in Connecticut.
Share by county and metro area
The First Bank of Greenwich'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 |
|---|---|---|---|---|
| Western Connecticut, CT (2 branches) | 17 of 24 | 0.9% | $569.4M | $64.88B |
| Westchester, NY (1 branch) | 25 of 31 | <0.1% | $111.2M | $274.05B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| New York-Newark-Jersey City, NY-NJ-PA (1 branch) | 132 of 156 | <0.1% | $111.2M | $2.92T |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| The First Bank of Greenwich | Cos Cob, CT | 06807 | $464.0M |
| Westchester Branch | Port Chester, NY | 10573 | $111.2M |
| Stamford Branch | Stamford, CT | 06905 | $105.5M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 58307) · FFIEC NIC profile (RSSD 3466988)