California has the highest state income tax in the US at 13.3%. Here is everything a California freelancer or 1099 worker needs to know — rates, rules, and how to pay less.
California has 9 income tax brackets. The 9.3% rate applies to most freelancers. Note: California's standard deduction is only $5,202 — much lower than the federal $14,600, so you pay state tax on a larger slice of income.
| Income Range (Single) | CA Rate | Notes |
|---|---|---|
| $0 – $10,099 | 1.0% | — |
| $10,100 – $23,942 | 2.0% | — |
| $23,943 – $37,788 | 4.0% | — |
| $37,789 – $52,455 | 6.0% | — |
| $52,456 – $66,295 | 8.0% | — |
| $66,296 – $338,639 | 9.3% | ✅ Most freelancers fall here |
| $338,640 – $406,364 | 10.3% | — |
| $406,365 – $677,275 | 11.3% | — |
| $677,276 – $1,000,000 | 12.3% | — |
| Over $1,000,000 | 13.3% | Mental Health Services surcharge |
Use our 1099 calculator — select California from the state dropdown for your exact federal + state total.
The federal standard deduction is $14,600 for single filers. California's is only $5,202. This means California taxes $9,398 more of your income than the IRS does. At 9.3%, that extra $9,398 costs you $874 in additional state tax.
The federal Qualified Business Income (QBI) deduction lets most freelancers deduct 20% of net income. California does not conform to this rule — so your California taxable income is higher than your federal taxable income.
California aggressively taxes income from California sources even after you move. If you worked in California during the year, file a part-year resident return. Consult a CA-licensed CPA if you recently moved.
Pay California estimated taxes at ftb.ca.gov. Same 4 deadlines as federal: Apr 15, Jun 16, Sep 15, Jan 15. Underpayment penalty: 5% annual rate on the underpaid amount.
SDI rate is 1.1% in 2026 with no wage cap. Self-employed workers are exempt by default but can opt in via the Elective Coverage program for disability and paid family leave benefits.
If you operate as a California LLC, you owe $800/year minimum franchise tax plus gross receipts fees above $250,000. Sole proprietors filing Schedule C are not subject to this.
California conforms to federal home office rules. Exclusive use required. Both simplified ($5/sq ft) and regular method (actual expenses × office %) are allowed.
California uses the same 67¢/mile IRS standard mileage rate for self-employed workers. Keep a contemporaneous mileage log — California follows IRS documentation rules.
California generally conforms to federal retirement account rules. SEP-IRA contributions reduce both federal AND California taxable income — one of the best ways to reduce your CA tax bill.
These are estimates. Use the 1099 tax calculator with California selected for your exact number based on your deductions.
California has progressive rates from 1% to 13.3%. Most freelancers earning $50,000–$100,000 pay a 9.3% marginal rate. Use our 1099 tax calculator with California selected for your exact amount.
Yes. Pay federal quarterly estimated taxes at irs.gov/payments and California taxes at ftb.ca.gov. Same 4 deadlines: Apr 15, Jun 16, Sep 15, Jan 15.
Only $5,202 for single filers versus the federal $14,600. This means California taxes $9,398 more of your income than the IRS. At 9.3%, that costs you an additional $874 in state tax.
No. California does not conform to the federal 20% Qualified Business Income (QBI) deduction. Your California taxable income will be higher than your federal taxable income as a result.
At $80,000 net income: save 38–42%. This covers federal SE tax (~14%), federal income tax (~18%), and California state tax (~8–9%). Use the 1099 calculator for your exact number.
ClickTaxEasy calculates your federal + California quarterly payments automatically based on your tracked income.
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