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State Street Bank and Trust Company Locations & Branches Boston, Massachusetts
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State Street Bank and Trust Company operates 3 branches from its headquarters in Boston, MA, .
State Street Bank and Trust Company branch network
Its 3 branches span 3 states and 3 cities. The most are in MASSACHUSETTS (1), MISSOURI (1) and NEW JERSEY (1). MASSACHUSETTS holds 100.0% of its branch deposits. Its largest office by deposits is its main office in Boston, MA, with $242.09B (100.0% of its branch deposits). It had the same number of branches on June 30, 2025.
State Street Bank and Trust Company at a glance
Its CET1 capital ratio was 14.72% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $412.62B
- CET1 ratio, Q2 2026
- 14.72%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Latest call report
- Q2 2026, FFIEC 031
- Established
- 1792
Full financial profile · Is State Street Bank and Trust Company safe? · State Street Bank and Trust Company 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: Boston, MA (1 branch) | 1 of 24 | 65.3% | $242.09B |
| State: MA (1 branch) | 1 of 112 | 37.5% | $242.09B |
Ranked by total assets among banks headquartered in the state: Largest banks in Massachusetts.
Share by county and metro area
State Street Bank and Trust Company'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 |
|---|---|---|---|---|
| Suffolk, MA (1 branch) | 1 of 35 | 63.4% | $242.09B | $381.68B |
| Jackson, MO (1 branch) | 43 of 43 | — | $0 | $54.18B |
| Hudson, NJ (1 branch) | 27 of 29 | — | $0 | $49.95B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Boston-Cambridge-Newton, MA-NH (1 branch) | 1 of 99 | 41.7% | $242.09B | $580.15B |
| Kansas City, MO-KS (1 branch) | 111 of 114 | — | $0 | $98.85B |
| New York-Newark-Jersey City, NY-NJ-PA (1 branch) | 149 of 156 | — | $0 | $2.92T |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| State Street Bank and Trust Company (main office) | Boston, MA | 02114 | $242.09B |
| State Street Bank and Trust Company - Kansas City, Missouri Branch | Kansas City, MO | 64108 | $0 |
| State Street Bank and Trust Company - New Jersey Branch | Jersey City, NJ | 07310 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 14) · FFIEC NIC profile (RSSD 35301)