Self-Employment Tax Calculator for California Freelancers (2026)
California freelancers pay federal self-employment tax (15.3%) plus 9.3% California state income tax on top.
California Tax Overview for Freelancers
Federal SE Tax
15.3%
California Income Tax
9.3%
SE Tax Deduction
50%
Standard Deduction
$15,700
Estimated Tax by Income — California Freelancers (2026)
| Annual Income | SE Tax | Federal Tax | CA State Tax | Total Tax | Effective Rate |
|---|---|---|---|---|---|
| $30,000 | -$4,239 | -$1,223 | -$2,790 | -$8,252 | 27.5% |
| $50,000 | -$7,065 | -$3,454 | -$4,650 | -$15,169 | 30.3% |
| $75,000 | -$10,597 | -$6,794 | -$6,975 | -$24,366 | 32.5% |
| $100,000 | -$14,130 | -$11,906 | -$9,300 | -$35,336 | 35.3% |
| $150,000 | -$21,194 | -$22,536 | -$13,950 | -$57,680 | 38.5% |
* Single filer, standard deduction, no other income. For exact figures use the calculator below.
Calculate Your Exact California Tax Bill
Enter your income and get a full breakdown including quarterly payment amounts.
Open California Tax Calculator →Frequently Asked Questions — California Freelancers
What is the self-employment tax rate in California for 2026?
In California, self-employed individuals pay the federal self-employment tax of 15.3% plus 9.3% California state income tax on net earnings. After deductions, the effective combined rate for most freelancers falls between 20% and 25%.
Do California freelancers need to pay quarterly estimated taxes?
Yes. If you expect to owe $1,000 or more in federal taxes for 2026, the IRS requires quarterly estimated payments. California also requires quarterly state estimated tax payments if your state tax liability exceeds $500. Due dates: April 15, June 16, September 15, and January 15, 2027.
What business deductions can California freelancers claim?
All standard federal deductions apply: home office, mileage (67 cents/mile in 2026), health insurance premiums, retirement contributions (up to $70,000 via Solo 401k), software, equipment, and professional development. These deductions reduce both your federal and California state tax liability.