Banks in San Luis Obispo County, California
55 active bank branches operated by 14 institutions, per FDIC records.
Active branches
55
Banks present
14
Deposits (2025)
$8.4B
Closings since 2020
20
3 openings
Largest banks by deposits in San Luis Obispo County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Chase Bank | $1.6B | 19.3% | 6 |
| Mechanics Bank | $1.5B | 17.3% | 12 |
| Columbia Bank | $1.3B | 15.4% | 8 |
| Wells Fargo | $1.2B | 14.3% | 5 |
| Bank of America | $1.0B | 12.4% | 3 |
| U.S. Bank | $492M | 5.9% | 4 |
| American Riviera Bank | $412M | 4.9% | 3 |
| Banc of California | $278M | 3.3% | 3 |
| UMB Bank | $239M | 2.9% | 3 |
| Bank of the Sierra | $182M | 2.2% | 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.