At a 24% federal bracket, a single filer in California is typically in the 9.30% state bracket. Treasury bills and Treasury money market funds skip that state tax, which is worth about 0.35 points on a 3.8% yield.
California only exempts money market fund dividends if the fund held at least 50% U.S. government obligations at each quarter-end, so funds that missed that test get no state break here.
| # | Account | Score | Stated yield | State-tax-free | After-tax yield | Taxable-equiv. | Per year | As of / source |
|---|---|---|---|---|---|---|---|---|
| 1 | U.S. Treasury bill52-week (1-year)T-bill Buy at TreasuryDirect or any brokerage; price can move if sold before maturity. Why this score | 91 | 4.51%bond-equiv. | 100% | 3.43% | 5.14% | $857 | 2026-10-27 source |
| 2 | U.S. Treasury bill26-week (6-month)T-bill Buy at TreasuryDirect or any brokerage; price can move if sold before maturity. Why this score | 88 | 4.36%bond-equiv. | 100% | 3.31% | 4.97% | $828−$28 vs best yield | 2026-10-27 source |
| 3 | U.S. Treasury bill13-week (3-month)T-bill Buy at TreasuryDirect or any brokerage; price can move if sold before maturity. Why this score | 84 | 4.15%bond-equiv. | 100% | 3.15% | 4.73% | $789−$68 vs best yield | 2026-10-27 source |
| 4 | PibankSavingsHigh-yield savingsWhy this score | 81 | 4.40%APY | — | 2.93% | 4.40% | $734−$123 vs best yield | 2026-10-21 source |
| 5 | U.S. Treasury bill4-weekT-bill Buy at TreasuryDirect or any brokerage; price can move if sold before maturity. Why this score | 80 | 4.00%bond-equiv. | 100% | 3.04% | 4.56% | $760−$97 vs best yield | 2026-10-27 source |
| 6 | Vanguard Treasury Money Market FundVUSXXMoney market fund Not FDIC insured. Yield is net of fund expenses. Why this score | 79 | 3.80%7-day SEC | 100% | 2.89% | 4.33% | $722−$135 vs best yield | 2026-09-30latest SEC filing source · tax doc |
| 7 | EverBankPerformance SavingsHigh-yield savings Rate quoted for new accounts. Why this score | 77 | 4.20%APY | — | 2.80% | 4.20% | $700−$157 vs best yield | 2026-10-28seen on page source |
| 8 | Vanguard Cash Reserves Federal Money Market FundVMRXXMoney market fund Not FDIC insured. Yield is net of fund expenses. Why this score | 76 | 3.80%7-day SEC | 69.6% | 2.78% | 4.17% | $695−$162 vs best yield | 2026-09-30latest SEC filing source · tax doc |
| 9 | Vanguard Federal Money Market FundVMFXXMoney market fund Not FDIC insured. Yield is net of fund expenses. Why this score | 75 | 3.79%7-day SEC | 66.6% | 2.76% | 4.14% | $691−$166 vs best yield | 2026-09-30latest SEC filing source · tax doc |
| 10 | Newtek BankPersonal High Yield SavingsHigh-yield savingsWhy this score | 75 | 4.20%APY | — | 2.80% | 4.20% | $700−$157 vs best yield | 2026-10-28seen on page source |
| 11 | Schwab U.S. Treasury Money Fund (Investor)SNSXXMoney market fund Not FDIC insured. Yield is net of fund expenses. Why this score | 75 | 3.53%7-day SEC | 100.0% | 2.68% | 4.02% | $671−$186 vs best yield | 2026-09-30latest SEC filing source · tax doc |
| 12 | Fidelity Treasury Only Money Market FundFDLXXMoney market fund Not FDIC insured. Yield is net of fund expenses. Why this score | 74 | 3.48%7-day SEC | 98.7% | 2.64% | 3.96% | $660−$197 vs best yield | 2026-09-30latest SEC filing source · tax doc |
| 13 | Bread SavingsHigh-Yield SavingsHigh-yield savings $100 minimum deposit. Why this score | 73 | 4.05%APY | — | 2.70% | 4.05% | $675−$182 vs best yield | 2026-10-28seen on page source |
| 14 | Schwab U.S. Treasury Money Fund (Ultra)SUTXXMoney market fund Not FDIC insured. Yield is net of fund expenses. Why this score | 73 | 3.68%7-day SEC | 100.0% | 2.80% | 4.19% | $699−$158 vs best yield | 2026-09-30latest SEC filing source · tax doc |
| 15 | Vio BankOnline SavingsHigh-yield savingsWhy this score | 71 | 4.01%APY | — | 2.67% | 4.01% | $669−$188 vs best yield | 2026-10-28seen on page source |
← All categories · State tax brackets: Tax Foundation 2026.
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Not financial or tax advice. CashRanq is an independent information site that publishes the same general rankings for every reader; scores and presets are not recommendations for you. Rates change often and may depend on balance, eligibility or promotions; money market fund yields are past 7-day yields and are not guaranteed, and funds are not FDIC insured. Tax figures are simplified estimates (marginal rates only; no local taxes, AMT, NIIT, deductions or credits). Always verify the current rate and terms with the provider and consult a tax professional for your situation.