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What is SDI Tax on My Paycheck? A Clear Breakdown

SDI tax on your paycheck refers to the State Disability Insurance tax that California withholds from wages to fund short-term disability and paid family leave benefits. This pay...

Mara Ellison Jul 25, 2026
What is SDI Tax on My Paycheck? A Clear Breakdown

SDI tax on your paycheck refers to the State Disability Insurance tax that California withholds from wages to fund short-term disability and paid family leave benefits. This payroll deduction helps protect your income when you cannot work due to illness, injury, or to care for a new child or family member.

Understanding how SDI appears on your paystub, how the rates are calculated, and how it differs from other taxes ensures you can verify that deductions are accurate and compliant with California law.

Item Details
Full name State Disability Insurance
Purpose Funds short-term disability and paid family leave programs
When it applies All covered employees in California
Employee share 1.0% of wages up to the yearly wage limit
Wage limit $153,164 annual earnings (subject to change each year)

How SDI Tax Shows Up in Your Paycheck

On your paystub, SDI is typically labeled as "SDI" or "CA SDI" under deductions. The amount is calculated as a percentage of your gross wages, but only up to the annual wage base, and it is withheld by your employer on your behalf.

Because SDI is a state-level payroll tax, you will not see federal income tax or FICA lines labeled as SDI, making it important to distinguish this deduction from other withholdings on your paycheck.

Calculation Example for Weekly Pay

If you earn $1,500 in a week and your cumulative yearly wages are below the cap, your SDI withholding would be $15.00 for that pay period, based on the 1.0% rate applied to the portion of wages subject to SDI.

Who Must Pay SDI in California

Most employees in California who earn wages from an employer are subject to SDI withholding, including part-time, full-time, temporary, and seasonal workers. Self-employed individuals may contribute through different programs but are not deducted from a traditional paycheck.

Your employer is required to register with the California Employment Development Department and remit SDI contributions on your behalf each pay period. This ensures compliance and supports the administration of disability and family leave benefits.

SDI vs Other Payroll Taxes

While SDI shares the payroll landscape with federal income tax, Social Security, and Medicare, it serves a distinct purpose focused on state-level income support during short-term absences from work. Unlike federal taxes, SDI is specific to California workers and programs.

Because SDI is capped at an annual wage limit, higher earners stop paying once their cumulative wages exceed the cap, whereas Social Security tax typically applies up to a higher wage cap and Medicare applies without an earnings limit.

Checking and Managing SDI Withholding

You can review your SDI deductions by examining your paystub or logging into your account with the Employment Development Department for detailed wage and contribution records. If you believe the withholding is incorrect, you can contact your employer or the EDD to clarify your payroll records.

Employers are responsible for accurate withholding and timely remittance, so any discrepancy should be addressed promptly to avoid underpayment or delays in receiving benefits when needed.

Key Takeaways on SDI Tax

  • SDI tax funds California short-term disability and paid family leave programs.
  • It is withheld at 1.0% of wages up to an annual wage limit.
  • Only wages earned in California are subject to SDI withholding.
  • Employers are responsible for accurate calculation and timely payment.
  • Review your paystub regularly to confirm proper SDI deductions.

FAQ

Reader questions

Why does SDI show up as a separate line item from other taxes on my paystub?

SDI is a distinct California state payroll tax with its own purpose and rules, so employers list it separately to ensure transparency and proper state reporting.

Can SDI be refunded if I never file a claim for benefits?

No, SDI withholdings are not refunded even if you do not claim benefits, because the program operates on a pay-as-you-go basis to fund ongoing eligibility for all covered workers.

What happens if my wages exceed the SDI wage cap in a calendar year?

Once your cumulative wages reach the annual cap, no additional SDI tax is withheld for the remainder of the year, though other payroll taxes may continue to apply.

Does SDI apply to commissions, bonuses, and overtime pay?

Yes, SDI is generally withheld on all wages subject to California payroll reporting, including commissions, bonuses, and overtime, up to the wage limit.

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