This comparison uses public regulatory filings and TFS methodology. It evaluates financial condition—not checking rates, account fees, service quality, or which institution is universally “best.”
Bank
Porterville, CA
Health score
85.0
Total assets
$3.7B
Bank
Irvine, CA
Health score
83.4
Total assets
$4.0B
Answer first
Bank of the Sierra leads on financial health and capitalization; Commercial Bank of California leads on profitability and lending quality and growth. Those category leads describe current regulatory metrics only and do not establish a universal product or service winner.
Capital and asset-quality definitions are directly comparable for this pair.
Category leaders
Financial health
Bank of the Sierra
Higher TFS health score
Capitalization
Bank of the Sierra
Higher comparable capital ratio
Profitability
Commercial Bank of California
Higher return on assets
Lending quality
Commercial Bank of California
Lower problem-loan measure
Growth
Commercial Bank of California
Higher year-over-year asset growth
Same-source detail
Winner markers appear only where the metric definitions are comparable and both values are available.
| Metric | Bank of the Sierra | Commercial Bank of California |
|---|---|---|
| TFS health score | 85.0/100Leads | 83.4/100 |
| Total assets | $3.7B | $4.0B |
| Total deposits / shares | $2.9B | $3.5B |
| Tier 1 capital ratio | 12.25%Leads | 9.27% |
| Return on assets | 1.33% | 1.34%Leads |
| Return on equity | 11.30% | 14.75% |
Bank of the Sierra
35 branches
Commercial Bank of California
10 branches
Both institutions report branches in 1 state: CA.
Bank of the Sierra
Unavailable
Commercial Bank of California
Unavailable
Counts use an explicitly reviewed CFPB-company-to-regulatory-ID mapping and the same complete 12-month window. Parent-company attribution can include complaints involving affiliates. Lower complaint volume is context—not proof of better service or less consumer harm.
Bank of the Sierra
0 in TFS registry
Commercial Bank of California
0 in TFS registry
Institution-level actions come from TFS's exact regulatory-ID registry and are shown as factual context only. They do not affect category winners or the TFS Financial Health Grade. A zero means no action is currently published in this curated registry—not proof that none exists.
Quarterly history
| Quarter | Bank of the Sierra score | Bank of the Sierra ROA | Commercial Bank of California score | Commercial Bank of California ROA |
|---|---|---|---|---|
| 2024-Q3 | — | 1.26% | — | 0.84% |
| 2024-Q4 | — | 1.27% | — | 0.59% |
| 2025-Q1 | — | 1.14% | — | 0.99% |
| 2025-Q2 | — | 1.22% | — | 1.04% |
| 2025-Q3 | — | 1.21% | — | 1.08% |
| 2025-Q4 | — | 1.28% | — | 1.16% |
| 2026-Q1 | 87.6/100 |
Keep watching
Get access to your dashboard watchlist and future financial-grade alerts.
Coverage boundaries
Related comparisons
Financial data comes from FDIC BankFind Suite or NCUA Call Reports as labeled. TFS Health Grades are an editorial assessment, not an official government rating or financial advice. Arbitrary comparison pairs are available dynamically but remain noindex unless curated for data completeness and user value.
| Non-performing loans | 0.43% | 0.37%Leads |
| Net charge-offs | 0.02%Leads | 0.06% |
| Efficiency ratio | 54.86% | 53.53%Leads |
| Loan-to-deposit ratio | 82.87% | 79.50% |
| Asset growth (YoY) | -1.27% | 7.60%Leads |
| Deposit / share growth (YoY) | -1.60% | 13.25%Leads |
| Branches | 35 | 10 |
| Published CFPB complaints per $1B deposits (12 months)verified mappings only | — | — |
| 1.46% |
| 82.2/100 |
| 1.31% |
| 2026-Q2 | 85.0/100 | 1.33% | 83.4/100 | 1.34% |