Does Upwork send a 1099?

Upwork sends a 1099-K if you process $5,000 or more through the platform in a year. Even without a 1099 all income is taxable and must be reported on Schedule C.

What can Upwork workers deduct?

Upwork workers can deduct tools and equipment, work supplies, mileage driving to client locations (72.5 cents/mile in 2026), a home office if used exclusively for the business, and any training costs.

Upwork Tax Calculator — California 2026

Free Upwork tasker tax calculator for California (CA). Includes the 9.3% California state income tax plus federal SE tax (15.3%) and federal income tax. Quarterly payment schedule included. No signup required.

Upwork Tax Calculator 2026IRS Schedule SE

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Filing Status

Annual Upwork Net Income (USD)

Calculate Upwork Tax Estimate

Upwork Taxes in California — 2026 Guide

How Upwork Taxes Work in California

California has a 9.3% state income tax rate. Upwork workers in California must make both federal and state quarterly estimated tax payments.

SE Tax

15.3%

Federal (all states)

Federal Tax

10-37%

Based on income

CA State Tax

9.3%

California rate

Top Tax Deductions for Upwork Workers in California

Upwork service fee (5-20%) — business expense

Software subscriptions (Adobe, Figma, Notion etc.)

Internet bill — business use percentage

Home office deduction

Computer, monitor, peripherals & equipment

Phone bill — business use percentage

Online courses & professional certifications

Stock assets, fonts & design resources

Cloud storage & SaaS tools

Self-employed health insurance premiums

Half of self-employment tax (SE tax deduction)

Accounting & tax software

FAQ — Upwork Taxes in California 2026

Q: Do Upwork workers pay taxes in California?

Yes. In California, Upwork taskers pay 15.3% SE tax, federal income tax (10-37%), plus 9.3% California state income tax.

Q: Do I need quarterly payments in California?

Yes. In California, you must make both federal (Form 1040-ES) and state quarterly estimated payments if you expect to owe $1,000 or more.

Q: Does Upwork take out taxes in California?

No. Upwork does not withhold taxes. You are responsible for paying all SE tax, federal income tax, and California state income tax yourself through quarterly estimated payments.

Disclaimer: State tax rates are for estimation purposes only. Not affiliated with Upwork or any government agency. Consult a licensed CPA for advice.

Upwork Tax in Other States