| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Mechanics Bank | Bank | 3 | $621.1M | 21.43% |
| 2 | Wells Fargo Bank, National Association | Bank | 3 | $571.3M | 19.71% |
| 3 | Sun Community Federal Credit Union | Credit union | 6 | $548.9M* | 18.94% |
| 4 | JPMorgan Chase Bank, National Association | Bank | 1 | $395.4M | 13.64% |
| 5 | Bank of America, National Association | Bank | 1 | $360.5M | 12.44% |
| 6 | U.S. Bank National Association | Bank | 1 | $216.2M | 7.46% |
| 7 | Corazo Credit Union | Credit union | 4 | $184.6M* | 6.37% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $2.90B | 7 | 19 | Mechanics Bank | 21.4% | 1,643 |
| 2024 | $2.81B | 7 | 19 | Mechanics Bank | 21.8% | 1,655 |
| 2023 | $2.96B | 7 | 19 | Mechanics Bank | 20.7% | 1,657 |
| 2022 | $2.68B | 6 | 17 | Wells Fargo Bank, National Association | 23.0% | 1,851 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.