Washington Self-Employment Tax Calculator 2026
Rates reviewed
Washington has no state income tax. However, the Business & Occupation (B&O) tax on gross receipts may apply to service businesses. Only federal SE tax applies to self-employment income.
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Gross income minus business expenses
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.
Washington self-employment tax questions
What is the self-employment tax rate in Washington?
The self-employment tax rate is 15.3% on net self-employment earnings up to $184,500 for 2026, then 2.9% above that. It is a federal tax, so the rate in Washington is the same as every other state. Washington has no state income tax on top of it.
Do freelancers in Washington pay self-employment tax?
Yes. Every freelancer and independent contractor in the US, Washington included, owes self-employment tax once net self-employment earnings reach $400 for the year. You can deduct half of the SE tax from gross income on your federal return.
Does Washington have its own self-employment tax?
No. Washington has neither a self-employment tax nor a personal income tax, so federal SE tax is the only tax on your net freelance earnings. Washington has no state income tax. However, the Business & Occupation (B&O) tax on gross receipts may apply to service businesses. Only federal SE tax applies to self-employment income.
How much of self-employment tax is deductible in Washington?
Half of your self-employment tax is deductible from gross income on your federal return, which lowers federal income tax but not the SE tax itself. The deduction is federal; Washington has no income tax for it to affect.
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.