Banks in San Mateo County, California
144 active bank branches operated by 31 institutions, per FDIC records.
Active branches
144
Banks present
31
Deposits (2026)
$38.9B
Closings since 2020
33
10 openings
Largest banks by deposits in San Mateo County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Chase Bank | $9.5B | 24.4% | 24 |
| Wells Fargo | $9.0B | 23.2% | 23 |
| Bank of America | $7.1B | 18.3% | 17 |
| Citibank | $3.0B | 7.7% | 10 |
| U.S. Bank | $2.3B | 5.8% | 13 |
| Valley National Bank | $2.0B | 5.2% | 1 |
| East West Bank | $1.1B | 2.8% | 3 |
| Tri Counties Bank | $905M | 2.3% | 8 |
| EverBank | $483M | 1.2% | 3 |
| BMO Bank | $460M | 1.2% | 7 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.