Branch Network
Summit Bank Locations & Branches Oakland, California
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Summit Bank operates 4 branches from its headquarters in Oakland, CA, .
Summit Bank branch network
All 4 branches are in CALIFORNIA, across 3 cities. Oakland, CA has the most of its branches, 2. Its largest office by deposits is its main office in Oakland, CA, with $107.4M (51.7% of its branch deposits). On June 30, 2025 it had 3 branches, 1 fewer than in 2026.
Summit Bank at a glance
Its CET1 capital ratio was 20.74% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $264.4M
- CET1 ratio, Q2 2026
- 20.74%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1982
Full financial profile · Is Summit Bank safe? · 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: Oakland, CA (2 branches) | 20 of 27 | 0.6% | $107.4M |
| State: CA (4 branches) | 134 of 164 | <0.1% | $207.6M |
Ranked by total assets among banks headquartered in the state: Largest banks in California.
Share by county and metro area
Summit 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 |
|---|---|---|---|---|
| Alameda, CA (1 branch) | 29 of 37 | 0.2% | $107.4M | $69.04B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| San Francisco-Oakland-Berkeley, CA (1 branch) | 54 of 69 | <0.1% | $107.4M | $512.65B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Summit Bank (main office) | Oakland, CA | 94611 | $107.4M |
| Walnut Creek Branch | Walnut Creek, CA | 94596 | $80.8M |
| Emeryville Branch | Emeryville, CA | 94608 | $19.4M |
| Summit Bank Branch | Oakland, CA | 94611 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 23864) · FFIEC NIC profile (RSSD 351560)