How much is the quarterly tax for freelancers in Washington?

Freelancers in Washington pay federal self-employment tax (15.3% on net self-employment income) and federal income tax. Washington has no state income tax.

When are quarterly taxes due in Washington?

Since Washington has no state income tax, only federal quarterly payments are required: April 15, June 17, September 16, and January 15.

No State Income Tax

Washington Quarterly Tax Calculator 2026

Washington has no personal income tax. However, the B&O tax on gross receipts applies to service businesses earning over $12,000/year.

Read our full Washington freelancer tax guide →

Quick Answer

Freelancers in Washington pay federal self-employment tax (15.3% on net income) and federal income tax. Washington has no state income tax. Use the calculator below to estimate your federal quarterly payment.

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Tax Information Notice

This content is for informational and educational purposes only. It does not constitute tax, legal, or financial advice. Tax laws change frequently. Always consult a qualified CPA or Enrolled Agent for your specific situation.

Tax Information Notice