Is Overtime Taxed in California? 2026 Guide for Workers

Is Overtime Taxed in California? Short Answer

Yes — overtime pay is taxed in California. Every overtime dollar is subject to federal income tax, California state income tax, Social Security (6.2%), Medicare (1.45%), and California State Disability Insurance (SDI, 1.2% in 2026). What overtime is not subject to is a special "overtime tax rate." Your time-and-a-half wages are taxed at the same rates as your regular wages — they just push more of your income into higher tax brackets and bigger withholding on that single paycheck.

If your overtime check looked smaller than you expected, you're not alone. This guide breaks down exactly which taxes apply, why withholding feels punishing, and how to estimate your real take-home pay on overtime hours in California for 2026.

> Want the math done for you? Try our California Overtime Pay Calculator — it applies California's daily 8-hour and 7th-day rules automatically.

How Overtime Pay Works in California (Quick Refresher)

Before talking taxes, here's what's actually being taxed. Under California Labor Code §510, non-exempt employees earn:

• 1.5× regular rate for hours worked over 8 in a day, over 40 in a week, and for the first 8 hours on the 7th consecutive workday.
• 2× regular rate (double time) for hours over 12 in a day and over 8 on the 7th consecutive workday.

All of those premium dollars are wages. The IRS and California Franchise Tax Board treat them exactly like your base hourly pay — fully taxable W-2 income.

The Five Taxes Withheld from California Overtime in 2026

1. Federal Income Tax

Federal income tax is progressive: the more you earn in a pay period, the higher the marginal rate. When you add overtime, employers calculate withholding using IRS Publication 15-T tables. Because the system annualizes your paycheck (assuming you'll earn that much every period), a big OT week can briefly push you into a higher withholding bracket — even though your real annual bracket may be lower.

The good news: any over-withholding is refunded at tax time when you file your 1040.

2. California State Income Tax

California has its own progressive income tax administered by the Franchise Tax Board. 2026 marginal rates for single filers range from 1% to 12.3%, with an additional 1% Mental Health Services Tax on income over $1 million. Employers withhold based on your DE 4 Withholding Allowance Certificate.

Like the federal system, California withholding annualizes your check — so an overtime-heavy paycheck may have extra state tax withheld that you'll get back when you file Form 540.

3. Social Security Tax (FICA)

• Rate: 6.2% of gross wages
• 2026 wage base limit: $176,100 (per the Social Security Administration)

Once your year-to-date wages cross the wage base, Social Security tax stops. For most California workers, overtime is fully taxed at 6.2% all year.

4. Medicare Tax (FICA)

• Rate: 1.45% of all wages (no wage cap)
• Additional Medicare Tax: extra 0.9% on wages over $200,000/year (single) or $250,000 (married filing jointly)

Combined employee FICA is 7.65% on every overtime dollar.

5. California State Disability Insurance (SDI)

California SDI funds short-term disability and Paid Family Leave. In 2026, the SDI rate is 1.2% of all wages with no wage cap (the cap was eliminated by SB 951 starting in 2024). This applies to overtime pay just like regular wages.

Worked Example: Overtime Take-Home Pay in California (2026)

Let's say Maria, a Los Angeles warehouse associate, earns $25/hour and works 50 hours in one week (10 daily-OT hours past 8/day, no double time).

| Item | Calculation | Amount |

|------|-------------|--------|

| Regular pay | 40 × $25 | $1,000.00 |

| Overtime pay | 10 × ($25 × 1.5) | $375.00 |

| Gross wages | | $1,375.00 |

| Federal income tax (≈12% effective on this check) | | −$165.00 |

| California income tax (≈4% effective) | | −$55.00 |

| Social Security (6.2%) | | −$85.25 |

| Medicare (1.45%) | | −$19.94 |

| CA SDI (1.2%) | | −$16.50 |

| Estimated net pay | | ≈ $1,033.31 |

Maria's 10 hours of overtime added $375 gross but only about $282 net after withholding — roughly a 25% combined effective rate on her OT. That's normal, not a penalty.

Why Does My Overtime Paycheck Feel Like It's Taxed More?

Three things make overtime feel over-taxed in California:

• . Annualization of withholding. Payroll software assumes you'll earn that much every pay period and withholds at the resulting (higher) annualized bracket. You typically get the excess back as a refund.
• . Bracket creep within the check. A bigger paycheck may straddle two withholding brackets, so a chunk of OT is withheld at the next-higher rate.
• . Flat-rate FICA + SDI feel bigger on bigger checks. 7.65% FICA + 1.2% SDI = nearly 8.85% off the top of every OT dollar — even before income tax.

None of these mean overtime is taxed at a higher rate than your regular wages. It's the same tax code applied to a bigger number.

Does the 2026 "No Tax on Overtime" Federal Deduction Apply in California?

Public Law 119-21 (the federal "No Tax on Overtime Act," effective for tax years 2025–2028) created an above-the-line federal income-tax deduction of up to $12,500/year ($25,000 married filing jointly) for the premium portion of FLSA-qualifying overtime — that's the 0.5× extra in time-and-a-half pay, not the full 1.5×.

Key facts for California workers:

• The deduction is federal only. As of June 2026, California has not conformed to PL 119-21, so the premium half is still fully taxable for California state income tax purposes.
• The deduction does not exempt overtime from FICA (Social Security/Medicare) or SDI — those are still withheld.
• Income limits apply: the deduction phases out starting at $150,000 MAGI (single) / $300,000 (married).
• Employers will continue withholding as usual. You claim the deduction on your 2026 federal Form 1040.

So even with the federal break, California overtime is still taxed — just somewhat less at the federal level when you file.

Is Overtime Taxed Differently from Regular Wages?

No. The IRS and FTB do not have a separate "overtime tax bracket." Both your regular wages and your overtime wages are reported in Box 1 of your W-2 as ordinary wages, taxed at the same marginal rates based on your total annual income.

The only differences you may notice:

• Supplemental wage withholding. If overtime is paid on a separate check from your regular wages, employers may withhold federal tax at the flat 22% supplemental rate (IRS Publication 15). California uses a flat 6.6% for supplemental wages (10.23% for bonuses/stock options).
• Higher per-check withholding because of annualization, as described above.

Both differences are about withholding mechanics, not the actual tax owed.

Does Overtime Affect Other Taxes or Benefits?

Yes — extra overtime income can have downstream effects in California:

• Health insurance subsidies (Covered California): higher annual income may reduce the Premium Tax Credit.
• CalEITC and federal EITC: earning more overtime can phase you out of the Earned Income Tax Credit.
• Child support and wage garnishments: generally calculated on gross wages, so OT can increase deductions.
• 401(k) contributions: if your plan calculates contributions as a % of gross pay, OT increases your retirement savings automatically.
• Workers' comp premiums (paid by employer): based on gross payroll, but don't reduce your check.

How to Estimate Your California Overtime Take-Home Pay

A quick three-step method:

• . Calculate gross OT. Hours × (regular rate × 1.5 or 2.0). Use our California Overtime Pay Calculator for daily, weekly, and 7th-day rules.
• . Subtract ~8.85% for FICA + SDI (no income-tax dependency).
• . Subtract your marginal tax bracket (federal + California) — typically 17–32% combined for middle-income workers — for an approximate income-tax bite.

For Maria above: $375 × (1 − 0.0885 − 0.16) ≈ $282 net, matching the table.

Frequently Asked Questions

Is overtime taxed at 40% in California?

No. There's no special 40% rate. Withholding can feel that high because of annualization and SDI/FICA stacking, but your effective federal + California tax rate on overtime usually lands between 20% and 32% for most middle-income workers.

Does California tax overtime under PL 119-21?

Yes. California has not conformed to the federal "No Tax on Overtime" deduction as of 2026, so all California state income tax on overtime still applies. The federal deduction may reduce your federal taxes when you file.

Why does my overtime check have so much tax withheld?

Withholding tables annualize each paycheck, assuming you'll earn that amount every period. A spike of overtime triggers a higher withholding bracket for that check. The IRS and FTB refund the excess when you file.

Are double-time hours taxed differently in California?

No. Double-time wages are taxed identically to time-and-a-half and regular wages — they're just bigger gross numbers, so more total tax is withheld.

Do salaried California employees get taxed on overtime?

Exempt salaried employees generally don't earn overtime. Non-exempt salaried employees in California do earn OT (calculated from a regular rate of pay) and it's taxed the same as hourly overtime.

Is California SDI deductible on my federal taxes?

Yes — California SDI is treated as a deductible state income tax on federal Schedule A if you itemize (IRS Topic 503).

What if my employer didn't pay overtime correctly?

File a wage claim with the California Labor Commissioner (DLSE). California allows recovery of unpaid OT plus interest and, in some cases, waiting-time penalties up to 30 days of wages.

How can I reduce taxes on my overtime?

Legitimate strategies include increasing pre-tax 401(k) or HSA contributions, adjusting your W-4 to fix over-withholding, and claiming the federal No Tax on Overtime deduction on your 1040 starting tax year 2025.

The Bottom Line

Overtime in California is fully taxed — federal income tax, state income tax, 6.2% Social Security, 1.45% Medicare, and 1.2% SDI all apply. There's no special "overtime tax," but withholding mechanics can make a single OT check look heavily taxed. Most workers see a 20–32% effective tax rate on overtime dollars, and the new federal No-Tax-on-Overtime deduction can reduce that further at the federal level (though not in California).

The fastest way to know exactly what you'll take home is to run your hours through the California Overtime Pay Calculator and apply the quick estimation method above.

Related Reading

• Is Overtime Taxed in Texas?
• Is Overtime Taxed in Florida?
• 7th Day Overtime in California 2026
• How to Calculate Overtime for Biweekly Payroll
• California Overtime Pay Calculator

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*Sources: California Labor Code §510; California Franchise Tax Board — 2026 withholding schedules; California EDD SDI Rates; IRS Publication 15 and Publication 15-T; Social Security Administration 2026 Wage Base; Public Law 119-21; IRS Notice 2025-69. Last reviewed June 16, 2026.*

Run your own numbers

California adds state income tax and SDI on top of federal withholding. The overtime tax calculator estimates the federal side, and you can pair it with the time and a half calculator for the gross overtime figure.