Regulatory profile
FDIC certificate #3430 · RSSD 697763
Recent activity
Deterministic, evidence-linked observations only — not a prediction, rating or recommendation.
Westamerica Bank changed deposits by 38647 USD thousands and market share by 0.078596 points in Contra Costa County, CA
Source ↗Westamerica Bank changed deposits by -44599 USD thousands and market share by -0.554312 points in Sonoma County, CA
Source ↗Westamerica Bank changed deposits by -1418 USD thousands and market share by -2.272522 points in Mariposa County, CA
Source ↗Westamerica Bank changed deposits by -6036 USD thousands and market share by -0.12333 points in Nevada County, CA
Source ↗Westamerica Bank changed deposits by -12783 USD thousands and market share by -1.639897 points in Mendocino County, CA
Source ↗Ten-year database
Branch and geographic intelligence
FDIC branch-location snapshot dated 2026-08-22
| Market | State | Locations | Main offices | Earliest establishment |
|---|---|---|---|---|
| Fresno | CA | 5 | 0 | Unavailable |
| San Rafael | CA | 3 | 1 | Unavailable |
| Merced | CA | 2 | 0 | Unavailable |
| Mill Valley | CA | 2 | 0 | Unavailable |
| Modesto | CA | 2 | 0 | Unavailable |
| Napa | CA | 2 | 0 | Unavailable |
| Novato | CA | 2 | 0 | Unavailable |
| Sacramento | CA | 2 | 0 | Unavailable |
| Santa Rosa | CA | 2 | 0 | Unavailable |
| American Canyon | CA | 1 | 0 | Unavailable |
| Atwater | CA | 1 | 0 | Unavailable |
| Bakersfield | CA | 1 | 0 | Unavailable |
| Benicia | CA | 1 | 0 | Unavailable |
| Calistoga | CA | 1 | 0 | Unavailable |
| Ceres | CA | 1 | 0 | Unavailable |
| Clearlake | CA | 1 | 0 | Unavailable |
| Clovis | CA | 1 | 0 | Unavailable |
| Concord | CA | 1 | 0 | Unavailable |
| Dos Palos | CA | 1 | 0 | Unavailable |
Ownership, transformations and revisions
NIC relationships are time-bounded. Reviewed filing revisions remain distinct from mergers.
Unresolved entityRSSD 1025541 · 1972-12-31 to current
Unresolved entityRSSD 1846063 · 2008-03-21 to current
Unresolved entityRSSD 2914240 · 2007-06-30 to current
Unresolved entityRSSD 2914240 · 1999-09-30 to 2007-06-29
Unresolved entityRSSD 1025569 · 1987-12-14 to 1993-06-29
Unresolved entityRSSD 1025550 · 1983-07-01 to 1996-02-21
Unresolved entityRSSD 1299351 · 1972-12-31 to 1981-08-31
2010-08-21RSSD 1191446 → 697763 · code 50
2009-02-07RSSD 191663 → 697763 · code 50
2005-03-12RSSD 236667 → 697763 · code 1
2002-06-22RSSD 836067 → 697763 · code 1
2000-09-16RSSD 698265 → 697763 · code 1
2000-08-19RSSD 1214381 → 697763 · code 1
No reviewed revisions published.
Latest registered batch · retrieved Aug 27, 2026, 10:51 AM UTC · SHA-256 56519b9e6ae2ada5757ec111f52c6451d5e31d6d47a52fdcf0bf38acf129fcaa · source ↗
| Quarter | Assets | Deposits | Net loans | ROA | ROE | NIM |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5.8B | $4.8B | $0.7B | 1.84% | 17.41% | 3.86% |
| 2026-03-31 | $5.8B | $4.8B | $0.7B | 1.82% | 17.23% | 3.84% |
| 2025-12-31 | $5.9B | $4.8B | $0.7B | 1.95% | 18.64% | 3.96% |
| 2025-09-30 | $5.9B | $4.8B | $0.7B | 1.97% | 18.95% | 3.99% |
| 2025-06-30 | $5.8B | $4.8B | $0.7B | 2.02% | 19.57% | 4.02% |
| 2025-03-31 | $5.9B | $4.9B | $0.8B | 2.06% | 20.42% | 4.05% |
| 2024-12-31 | $6.0B | $5.0B | $0.8B | 2.18% | 22.95% | 4.34% |
| 2024-09-30 | $6.1B | $5.1B | $0.8B | 2.21% | 23.47% | 4.39% |
| 2024-06-30 | $6.3B | $5.1B | $0.8B | 2.24% | 24.66% | 4.42% |
| 2024-03-31 | $6.4B | $5.4B | $0.8B | 2.25% | 24.93% | 4.46% |
| 2023-12-31 | $6.3B | $5.5B | $0.8B | 2.41% | 30.94% | 4.60% |
| 2023-09-30 | $6.5B | $5.7B | $0.9B | 2.41% | 32.27% | 4.57% |
| 2023-06-30 | $6.5B | $5.7B | $0.9B | 2.38% | 31.74% | 4.48% |
| 2023-03-31 | $6.7B | $5.9B | $0.9B | 2.36% | 32.20% | 4.39% |
| 2022-12-31 | $6.9B | $6.2B | $0.9B | 1.67% | 22.61% | 3.26% |
| 2022-09-30 | $7.1B | $6.5B | $1.0B | 1.50% | 19.84% | 2.95% |
| 2022-06-30 | $7.2B | $6.4B | $1.0B | 1.29% | 15.70% | 2.63% |
| 2022-03-31 | $7.3B | $6.4B | $1.0B | 1.21% | 13.54% | 2.48% |
| 2021-12-31 | $7.4B | $6.4B | $1.0B | 1.19% | 11.76% | 2.54% |
| 2021-09-30 | $7.4B | $6.3B | $1.1B | 1.21% | 11.84% | 2.58% |
| 2021-06-30 | $7.1B | $6.1B | $1.2B | 1.22% | 11.75% | 2.62% |
| 2021-03-31 | $6.9B | $5.9B | $1.3B | 1.17% | 11.18% | 2.60% |
| 2020-12-31 | $6.7B | $5.7B | $1.2B | 1.28% | 12.09% | 2.83% |
| 2020-09-30 | $6.5B | $5.5B | $1.3B | 1.26% | 12.04% | 2.86% |
| 2020-06-30 | $6.4B | $5.5B | $1.3B | 1.26% | 12.19% | 2.94% |
| 2020-03-31 | $5.6B | $4.8B | $1.1B | 1.22% | 11.99% | 3.03% |
| 2019-12-31 | $5.6B | $4.8B | $1.1B | 1.47% | 14.89% | 3.04% |
| 2019-09-30 | $5.6B | $4.8B | $1.1B | 1.46% | 14.95% | 3.05% |
| 2019-06-30 | $5.5B | $4.7B | $1.1B | 1.46% | 15.03% | 3.06% |
| 2019-03-31 | $5.5B | $4.8B | $1.2B | 1.46% | 15.42% | 3.05% |
| 2018-12-31 | $5.5B | $4.9B | $1.2B | 1.31% | 14.45% | 2.91% |
| 2018-09-30 | $5.5B | $4.8B | $1.2B | 1.27% | 14.16% | 2.88% |
| 2018-06-30 | $5.5B | $4.9B | $1.2B | 1.30% | 14.44% | 2.83% |
| 2018-03-31 | $5.5B | $4.9B | $1.2B | 1.28% | 14.09% | 2.79% |
| 2017-12-31 | $5.5B | $4.8B | $1.3B | 0.96% | 10.60% | 2.72% |
| 2017-09-30 | $5.4B | $4.7B | $1.3B | 1.14% | 12.65% | 2.71% |
| 2017-06-30 | $5.4B | $4.7B | $1.3B | 1.15% | 12.94% | 2.70% |
| 2017-03-31 | $5.4B | $4.7B | $1.3B | 1.11% | 12.57% | 2.71% |
| 2016-12-31 | $5.3B | $4.7B | $1.3B | 1.15% | 12.47% | 2.78% |
| 2016-09-30 | $5.3B | $4.6B | $1.3B | 1.16% | 12.44% | 2.81% |
| 2016-06-30 | $5.1B | $4.5B | $1.4B | 1.13% | 12.10% | 2.83% |
| 2016-03-31 | $5.2B | $4.5B | $1.4B | 1.12% | 12.05% | 2.79% |
| Fairfield | CA | 1 | 0 | Unavailable |
Reviewed NIC structure change on 2010-08-21: RSSD 1191446 → 697763 (50). The location count above reflects the current combined network and is not itself a measure of organic branch growth. 20 structure changes are on record for this entity; see History & events for the full list.
Branch locations reflect the latest registered FDIC location release, not real-time openings. Opening/closing attribution to organic growth vs. merger activity remains unavailable beyond the reviewed structure changes noted above. Annual deposit market share by state is available separately, below.
Annual FDIC Summary of Deposits, by state, as of the 2025 snapshot effective 2025-06-30. Deposits and share are as of that retained annual snapshot, not a quarterly balance — do not compare directly to Call Report deposit figures reported elsewhere on this profile.
| State | Deposits | Market share | Rank | Year over year |
|---|---|---|---|---|
| CA | $4.8B | 0.26% | 35 | Continuing · -0.03 pp |
Source: FDIC Summary of Deposits, annual release. Market share divides this institution's reported branch deposits by all retained deposits in the same state for the same year — not a quarterly balance, current rate, or organic-growth attribution. Inspect year-over-year market change →
Workforce history unavailable: no compatible reported FTE or office observation. Missing values are not zero.