Banks in Marin County, California
68 active bank branches operated by 18 institutions, per FDIC records.
Active branches
68
Banks present
18
Deposits (2025)
$14.9B
Closings since 2020
25
5 openings
Largest banks by deposits in Marin County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Wells Fargo | $3.0B | 20.3% | 11 |
| Chase Bank | $2.5B | 16.9% | 8 |
| Bank of America | $2.2B | 14.5% | 6 |
| Citizens Bank | $2.1B | 13.9% | 1 |
| Bank of Marin | $1.7B | 11.4% | 10 |
| Westamerica Bank | $802M | 5.4% | 10 |
| U.S. Bank | $556M | 3.7% | 4 |
| Citibank | $502M | 3.4% | 3 |
| WaFd Bank | $495M | 3.3% | 1 |
| Poppy Bank | $308M | 2.1% | 3 |
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.