Banks in Lake County, California
11 active bank branches operated by 7 institutions, per FDIC records.
Active branches
11
Banks present
7
Deposits (2026)
$827M
Closings since 2020
0
0 openings
Largest banks by deposits in Lake County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Westamerica Bank | $196M | 23.7% | 4 |
| Columbia Bank | $174M | 21% | 2 |
| Chase Bank | $135M | 16.4% | 1 |
| Wells Fargo | $129M | 15.6% | 1 |
| BMO Bank | $83M | 10% | 1 |
| Savings Bank of Mendocino County | $56M | 6.8% | 1 |
| Tri Counties Bank | $54M | 6.6% | 1 |
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.