Every FDIC-insured bank branch in San Luis Obispo County, California as of June 30, 2025. County land area: 3,301 square miles, 1.7 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Mechanics Bank | 12 | $1.45B |
| Pacific Premier Bank, National Association | 7 | $1.25B |
| JPMorgan Chase Bank, National Association | 7 | $1.84B |
| Wells Fargo Bank, National Association | 5 | $1.20B |
| U.S. Bank National Association | 4 | $491.7M |
| Bank of the Sierra | 3 | $182.4M |
| Banc of California | 3 | $277.8M |
| Bank of America, National Association | 3 | $1.04B |
| American Riviera Bank | 3 | $412.1M |
| Community West Bank | 2 | $70.9M |
| UMB Bank, National Association | 2 | $239.5M |
| Umpqua Bank | 1 | $46.9M |
| Murphy Bank | 1 | $28.7M |
| Mission Bank | 1 | $39.6M |
| West Coast Community Bank | 1 | $41.8M |