Banks in Diamond Bar, CA
Branches open
13
Banks present
12
Deposits (2026)
$6.7B
Closings on record
3
2 openings
Banks by deposits in Diamond Bar (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Wells Fargo | $2.1B | 30.5% | 1 |
| Chase Bank | $1.3B | 19% | 2 |
| Bank of America | $881M | 13.1% | 1 |
| East West Bank | $813M | 12% | 1 |
| Cathay Bank | $474M | 7% | 1 |
| Citibank | $367M | 5.4% | 1 |
| Preferred Bank | $223M | 3.3% | 1 |
| U.S. Bank | $180M | 2.7% | 1 |
| Royal Business Bank | $159M | 2.4% | 1 |
| Bank of Hope | $120M | 1.8% | 1 |
All branches
- Wells Fargo — 1150 S Diamond Bar Blvd$2.1B
- Chase Bank — 1100 S Diamond Bar Blvd$1.0B
- Bank of America — 1196 S Diamond Bar Blvd$881M
- East West Bank — 379 S Diamond Bar Blvd$813M
- Cathay Bank — 1195 S Diamond Bar Blvd$474M
- Citibank — 1188 S Diamond Bar Blvd$367M
- Chase Bank — 2717 S Diamond Bar Blvd$282M
- Preferred Bank — 1373 S Diamond Bar Blvd$223M
- U.S. Bank — 1175 Grand Ave$180M
- Royal Business Bank — 1139 S Diamond Bar Blvd$159M
- Bank of Hope — 2809 S Diamond Bar Blvd$120M
- Zions Bancorporation — 1200 S Diamond Bar Blvd$118M
- CTBC Bank Corp. (USA) — 2783 S Diamond Bar Blvd$69M
Closings
- First Citizens Bank — Diamond Bar, CAbank exits city1370 VALLEY VISTA DR · closed December 31, 2021
- 334 SOUTH DIAMOND BAR BOULEVARD · closed December 16, 2021
- HSBC Bank USA — Diamond Bar, CAbank exits city2783 SOUTH DIAMOND BAR BOULEVARD · closed June 14, 2021
Transcribed from FDIC BankFind Suite active-location records, the annual Summary of Deposits and structure-change records. Deposit figures reflect the office to which deposits are reported and may not represent where depositors live.