| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | JPMorgan Chase Bank, National Association | Bank | 9 | $2.57B | 15.98% |
| 2 | Wells Fargo Bank, National Association | Bank | 9 | $2.22B | 13.85% |
| 3 | Bank of America, National Association | Bank | 7 | $2.14B | 13.33% |
| 4 | U.S. Bank National Association | Bank | 11 | $1.60B | 9.97% |
| 5 | Montecito Bank & Trust | Bank | 12 | $1.47B | 9.16% |
| 6 | Mechanics Bank | Bank | 12 | $1.07B | 6.63% |
| 7 | Coasthills Federal Credit Union | Credit union | 6 | $818.4M* | 5.10% |
| 8 | American Riviera Bank | Bank | 4 | $780.3M | 4.86% |
| 9 | Columbia Bank | Bank | 2 | $619.5M | 3.86% |
| 10 | Community Bank of Santa Maria | Bank | 2 | $350.4M | 2.18% |
| 18 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $16.05B | 28 | 103 | JPMorgan Chase Bank, National Association | 16.0% | 942 |
| 2025 | $15.32B | 25 | 95 | JPMorgan Chase Bank, National Association | 16.8% | 1,006 |
| 2024 | $16.32B | 26 | 105 | JPMorgan Chase Bank, National Association | 15.4% | 928 |
| 2023 | $16.32B | 24 | 98 | JPMorgan Chase Bank, National Association | 16.6% | 1,040 |
| 2022 | $18.89B | 26 | 99 | Wells Fargo Bank, National Association | 16.2% | 991 |
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.