Branch Network
California Business Bank Locations & Branches Irvine, California
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California Business Bank operates 1 branch from its headquarters in Irvine, CA, .
California Business Bank branch network
Its one office is in Irvine, CALIFORNIA. It had the same number of branches on June 30, 2025.
California Business Bank at a glance
Its CET1 capital ratio was 19.75% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $130.5M
- CET1 ratio, Q2 2026
- 19.75%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 2005
Full financial profile · Is California Business Bank safe? · California Business 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: Irvine, CA (1 branch) | 32 of 44 | 0.3% | $108.4M |
| State: CA (1 branch) | 148 of 164 | <0.1% | $108.4M |
Ranked by total assets among banks headquartered in the state: Largest banks in California.
Share by county and metro area
California Business 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 |
|---|---|---|---|---|
| Orange, CA (1 branch) | 56 of 73 | <0.1% | $108.4M | $156.41B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Los Angeles-Long Beach-Anaheim, CA (1 branch) | 90 of 107 | <0.1% | $108.4M | $664.11B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| California Business Bank (main office) | Irvine, CA | 92602 | $108.4M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 58037) · FFIEC NIC profile (RSSD 3390337)