California Income Tax Calculator 2025

Calculate your California state income tax with the nation's highest progressive rates (up to 13.3%), plus Disability Insurance, Mental Health Tax, and all CA-specific deductions and credits.

Calculate Your California State Tax

Enter your income information to calculate CA income tax, SDI, and Mental Health Tax

Income Information

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Enter your total annual California income
Choose your CA filing status

California-Specific Income

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Long-term capital gains (taxed as ordinary income in CA)
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Income over $1M subject to 1% Mental Health Tax

California Deductions & Credits

Choose standard or itemized deductions
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CA Renter's Credit (up to $120/$240)
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Young Child Tax Credit (up to $1,083 per child)

Employment Information

Affects CA SDI calculation
Check if exempt from CA State Disability Insurance

Understanding California's Complex Tax System

🏆 Highest Tax Rates

California has the highest state income tax rates in the nation, with a top marginal rate of 13.3% (including 1% Mental Health Tax) on income over $1 million. The regular top rate is 12.3%.

💰 Progressive Tax System

CA uses a highly progressive tax system with 10 tax brackets ranging from 1% to 12.3%, plus the additional 1% Mental Health Tax on high earners. Rates increase significantly with income.

🏥 State Disability Insurance

California requires most employees to pay SDI tax at 0.9% on wages up to $153,164 (2025). This provides disability and family leave benefits.

🧠 Mental Health Tax

The additional 1% Mental Health Tax applies to income over $1 million, funding mental health services. This brings the top rate to 13.3% for high earners.

🏠 No Capital Gains Preference

Unlike federal tax, California taxes capital gains as ordinary income at the same rates. Long-term capital gains receive no preferential treatment.

💳 Special Credits

California offers unique credits including the Young Child Tax Credit (up to $1,083), Renter's Credit, and California Earned Income Tax Credit to help reduce tax burden.

California Tax Frequently Asked Questions

What is California's top tax rate for 2025?

California's top marginal income tax rate is 13.3% for income over $1 million (including the 1% Mental Health Tax). The regular top rate is 12.3% for income over $599,013 (single) or $1,198,024 (married filing jointly).

How does California SDI work?

State Disability Insurance (SDI) is deducted from employee paychecks at 0.9% on wages up to $153,164 in 2025. It provides short-term disability and Paid Family Leave benefits. Self-employed individuals can voluntarily participate.

Does California tax capital gains differently?

No, California taxes capital gains as ordinary income at the same progressive rates (up to 13.3%). There is no preferential treatment for long-term capital gains like at the federal level.

What is the California Young Child Tax Credit?

The California Young Child Tax Credit provides up to $1,083 per qualifying child under 6 years old. The credit amount phases out for higher-income taxpayers and is designed to help families with young children.

Can I deduct state and local taxes on my CA return?

Yes, California allows deduction of state and local taxes without the $10,000 federal cap. However, you cannot deduct California income taxes on your California return - only other state and local taxes.

Should I move out of California to save on taxes?

Tax planning should consider the total financial picture. While California has high income taxes, consider other factors like cost of living, business opportunities, property values, and quality of life before making relocation decisions.