Short-term disability income in California is generally taxable as ordinary income, both federally and at the state level

California treats short-term disability (SDI) benefits the same way the federal government does: as taxable wages. If your employer or a private insurer paid premiums on your behalf—meaning you did not pay the full cost yourself—the benefits you receive count as income on your federal return and your California state return.

The key difference from SSDI is that SDI is an insurance product, not a Social Security program. California's State Disability Insurance program, which covers most private-sector workers, operates through payroll deductions. Because the state and your employer fund it, not you alone, the income is taxable when you receive it.

If you paid the entire premium yourself with after-tax dollars, you may exclude that portion of benefits from income. This is rare in California SDI, but it matters if you have a private short-term disability policy where you paid all the cost.

Key Takeaways

  • California SDI benefits are taxable income on both your federal and state tax returns unless you paid the entire premium with after-tax dollars.
  • The payer—your employer or insurer—should send you a Form 1099-R or W-2 showing the amount, which you report on your tax return.
  • You cannot reduce SDI income by claiming it as a medical expense or disability-related deduction; it is treated as wages.
  • If you received SDI while also receiving SSDI, the two programs interact differently for tax purposes, and you may owe tax on combined income above certain thresholds.

How California SDI differs from employer-provided disability plans

California's State Disability Insurance is a mandatory program funded by employee payroll deductions (about 1% of wages, up to a cap). Because the state and your employer contribute, benefits are fully taxable. You cannot exclude them even though you paid part of the premium through payroll deduction.

A private short-term disability policy your employer offers separately—sometimes called supplemental disability insurance—may have different tax treatment. If your employer paid the entire premium and you received no deduction on your paystub, the benefits are taxable. If you paid the premium with after-tax dollars (it appeared as a deduction on your paystub), you can exclude that portion from income.

The payer will tell you which applies. Check your Form 1099-R or W-2 for the year you received benefits; it should indicate whether the income is fully taxable or partially excludable.

What form you will receive and how to report it

California SDI benefits are reported on a Form 1099-R (Distributions From Pensions, Annuities, Retirement or Profit-Sharing Plans, IRAs, Insurance Contracts, etc.). The issuer—usually the California Employment Development Department (EDD) or your insurer—sends you a copy by January 31 of the year after you received benefits.

You report the amount shown in Box 1 of the 1099-R on your federal Form 1040 as "other income" unless the form indicates it is fully or partially excludable. California requires you to report the same amount on your state return (Form 540 or 540-2NR).

If you received benefits from a private insurer rather than the state program, you may receive a Form W-2 instead, with the amount in Box 1 (wages). Report it the same way: as income on both returns. Keep the 1099-R or W-2 with your tax records; you will need it if the IRS or Franchise Tax Board asks questions about your income.

SDI and SSDI together: how the tax rules interact

If you received both SDI and SSDI in the same year, each is taxed separately, but they can push you over the threshold where SSDI becomes taxable. SSDI itself is usually not taxable unless your combined income (SSDI plus other income, including SDI) exceeds certain amounts. SDI, by contrast, is always taxable.

The SSDI taxation threshold depends on your filing status and other income. For a single filer in 2024, if your combined income exceeds $25,000, up to 50% of your SSDI may become taxable. If it exceeds $34,000, up to 85% may be taxable. SDI counts toward that combined total, so receiving both programs can trigger SSDI taxation you would not face from SSDI alone.

Work with a tax preparer or contact the IRS if you received both programs; the calculation is complex and mistakes are common. The Social Security Administration publishes a worksheet (included in the instructions to Form 1040) that walks through the math.

Whether you owe California state tax on SDI

Yes, California taxes SDI as ordinary income. The state does not exempt disability benefits the way some states do. You report the full amount on your California Form 540 (or 540-2NR if you are a nonresident) and pay tax at California's progressive rates, which range from 1% to 13.3% depending on your total income.

If SDI was your only income and it fell below the standard deduction for your filing status, you would owe no state tax. For 2024, the California standard deduction ranges from about $5,200 (single) to $10,400 (married filing jointly), though these amounts change yearly. Check the Franchise Tax Board website for the current year's deduction.

If you are a nonresident or part-year resident of California, you report only the SDI you received while a resident. Nonresidents file Form 540-2NR and may owe tax only on California-source income.

Withholding and estimated tax payments

The payer of SDI benefits may withhold federal and state income tax before sending you the money. Check your 1099-R or W-2 for the amounts withheld (shown in boxes labeled "Federal income tax withheld" and "State income tax withheld"). If tax was withheld, it reduces what you owe when you file.

If no tax was withheld, or if withholding was too low, you may owe a balance when you file your return. If you expect to owe more than $1,000 in federal tax for the year, you may need to make quarterly estimated tax payments to avoid a penalty. Contact the IRS or a tax preparer to determine whether you must pay estimated tax.

California has similar rules for state estimated tax. If you owe more than $500 in state tax and did not have enough withheld, you may owe a penalty unless you paid estimated tax during the year. The Franchise Tax Board provides a worksheet to calculate whether you need to pay estimated tax.

Deductions and credits you may claim alongside SDI income

You cannot deduct SDI as a medical expense or reduce it as a disability-related cost. It is treated as income, not a reimbursement. However, you can claim other deductions and credits that explore to your situation.

If you worked part of the year and received SDI for the rest, you may claim the standard deduction (or itemize if that is larger). You can also claim credits such as the Earned Income Tax Credit (EITC) if your income is low enough, though SDI counts as income for EITC purposes. If you have dependents, you may claim the Child Tax Credit or California Child and Dependent Care Credit.

Consult a tax preparer or the IRS Free File program (available to those with income below a certain threshold) to see which credits and deductions explore to your situation. The IRS website (irs.gov) and the Franchise Tax Board website (ftb.ca.gov) both offer free tax preparation resources.

Frequently Asked Questions

Do I have to pay federal income tax on California SDI?

Yes. California SDI is taxable on your federal return. You report it on Form 1040 as other income. The amount should appear on a Form 1099-R or W-2 sent to you by the payer.

What if I paid SDI premiums myself through payroll deduction?

Payroll deductions for California SDI do not make the benefits tax-free. Because the state and your employer also contributed, benefits remain fully taxable. Only if you paid the entire premium with after-tax dollars (which is uncommon) can you exclude that portion.

Can I claim SDI as a medical expense on my taxes?

No. SDI is treated as income, not a reimbursement or medical expense. You cannot reduce it or deduct it. You report the full amount as taxable income on both your federal and California returns.

If I received both SDI and SSDI, do I report them the same way?

No. SDI is always fully taxable and reported on a 1099-R or W-2. SSDI is usually not taxable, but if your combined income (including SDI) exceeds certain thresholds, part of your SSDI becomes taxable. Work with a tax preparer to calculate this correctly.

What if the payer did not send me a 1099-R or W-2?

Contact the payer (the EDD, your insurer, or your employer) and request a copy. If you do not receive it by February 15, you can file your return using the benefit amount you received, but keep records of when you requested the form. The IRS and Franchise Tax Board may ask for proof later.