California Paycheck FAQ

Four taxes: federal income tax (10–37%), California state income tax (1–12.3% plus 1% above $1M), FICA (6.2% Social Security up to ~$181k, 1.45% Medicare on every dollar plus 0.9% additional on high incomes), and California SDI (1.2% with no wage cap).

For most California workers, total withholding lands between 22% and 35% of gross pay. The exact percentage rises with income and depends on filing status and pre-tax deductions like 401(k) and health insurance.

California has the highest top marginal income tax bracket in the U.S. (12.3%, plus a 1% Mental Health surcharge above $1M). California is also the only state with an uncapped State Disability Insurance deduction — every dollar of wages is subject to SDI, even at very high incomes.

Progressive. California has nine brackets ranging from 1% to 12.3%, with each bracket applying to a slice of your income. Your top marginal rate applies only to the portion of income inside that bracket.

Yes. Tips are taxable income reported on your W-2 (or self-reported if cash). California has no tip credit — tipped workers are paid full minimum wage in cash plus tips.

SDI = State Disability Insurance, a 1.2% withholding (2026 projected rate) that funds short-term disability and California's Paid Family Leave. As of 2024, SDI applies to your full wages with no cap — high earners pay it on every dollar.

Social Security (6.2%) is withheld until your year-to-date wages from one employer reach the annual wage base — projected around $181,000 for 2026. After that, Medicare continues but Social Security stops, which is why some high earners notice a paycheck increase mid- to late-year.

Workers with wages above $200,000 single / $250,000 married filing jointly / $200,000 head of household pay an extra 0.9% Medicare on income above the threshold. Your employer withholds it once your YTD wages with them cross $200k regardless of your actual filing status.

Yes. California conforms with federal pre-tax 401(k) treatment — contributions reduce both federal and California taxable income. They do not reduce FICA wages.

Federally, yes. In California, no — California is one of the few states that does not conform with federal HSA tax rules. Your HSA contributions reduce federal taxable income but not California taxable income.

No. The actual tax rate is the same as on regular wages. But bonuses are withheld at flat rates — 22% federal + 10.23% California — which often exceeds your true marginal rate, leading to a refund at tax time.

RSUs vest as ordinary income at the vesting price. California treats RSU income identically to W-2 wages and applies your normal state bracket. Most employers default to sell-to-cover at the federal supplemental rate (22%), which can under-withhold for high earners.

For 2026, California withholds bonuses and stock options at a flat 10.23% and other supplemental wages at 6.6% (FTB rates).

No — California does not have a separate state SE tax. You pay federal SE tax (15.3% on net SE income up to the SS wage base) plus California regular income tax on net 1099 earnings.

No. The federal Qualified Business Income (20%) deduction reduces only your federal taxable income, not your California taxable income. California does not conform.

Quarterly: April 15, June 15, September 15, January 15. California uses a front-loaded 30/40/0/30 schedule — your June 15 payment is the largest of the year.

Within a few dollars per pay period for typical W-2 wage situations. We use 2026 projected federal brackets (IRS inflation methodology) and 2026 California-style inflation-adjusted brackets. We do not model every credit or unusual deduction — see the methodology for an exact list.

No. All calculations run in your browser. We do not collect, transmit, or store your salary, name, or any input.

For tax year 2026, the IRS and FTB had not officially published all brackets at the time of this writing. We project 2026 brackets using each agency's standard inflation-adjustment methodology applied to the latest official year. Once 2026 schedules are released, we update.