California Small Business Tax Guide — 2026
Income Tax Rate
1% — 13.3% (progressive, 10 brackets)
Sales Tax Rate
7.25% state base + local (total typically 8.5% — 10.75%)
Filing Deadline
April 15 (matches federal deadline)
California Income Tax
California imposes a state income tax with rates of 1% — 13.3% (progressive, 10 brackets). Self-employed individuals, freelancers, and sole proprietors pay this tax on their net business income in addition to federal income tax and federal self-employment tax (15.3%).
Self-Employment in California
California taxes self-employment income at standard progressive rates up to 13.3% — the highest state income tax rate in the nation. LLCs pay an additional annual $800 franchise tax plus a gross receipts fee if revenue exceeds $250,000.
Estimated Tax Requirements
Quarterly estimated payments required if you expect to owe $500 or more ($250 if married filing separately). Due dates: April 15, June 15, September 15, January 15.
CaliforniaDeductions & Credits
- California does not conform to all federal deductions — review carefully
- No state deduction for SALT (state and local taxes)
- Renter's credit: $60 (single) / $120 (joint) for qualifying renters
- California does not allow Section 199A (QBI) deduction at state level
Business Filing Fees
LLC: $70 formation + $800 annual franchise tax + gross receipts fee ($900 — $11,790 if revenue > $250K). Corporation: $100 formation + $800 minimum franchise tax.
Key Facts About California Taxes
- California has the highest state income tax rate at 13.3%
- The $800 annual LLC franchise tax applies even if the business has no income
- California does not conform to many federal deductions — state adjustments required
- Largest self-employed population in the U.S. with over 4 million sole proprietors
- The Mental Health Services Tax adds 1% on income over $1 million
Track Your California Business Expenses
TaxTidy helps California freelancers and self-employed individuals track every business expense with AI-powered receipt scanning. Snap a photo of any receipt and TaxTidy instantly extracts the vendor, amount, and tax category — then maps it to the correct IRS Schedule C line. At tax time, generate an audit-ready PDF report with all your deductions organized and totaled.
Frequently Asked Questions
What is California's tax rate for self-employed individuals?
California uses progressive rates from 1% to 13.3% on net self-employment income, plus an additional 1% Mental Health Services Tax on income over $1 million. You also pay federal SE tax (15.3%).
Do California LLCs pay an $800 franchise tax?
Yes. All California LLCs must pay an $800 annual franchise tax regardless of income. LLCs with gross receipts over $250,000 also pay an additional fee ranging from $900 to $11,790.
Does California allow the QBI deduction?
No. California does not conform to the federal Section 199A Qualified Business Income deduction. This means you cannot deduct up to 20% of qualified business income on your California return.
When are California estimated tax payments due?
April 15, June 15, September 15, and January 15. Required if you expect to owe $500 or more in California income tax.
Official source: California Department of Revenue
TaxTidy provides expense organization tools based on the most current US tax law available to it. TaxTidy is not a CPA, Enrolled Agent, or licensed tax professional. All categorizations, deductions, and tax calculations are estimates. Please verify all data for accuracy and consult a certified tax professional before filing.
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