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Washington Business & Occupation Tax calculator
A gross-receipts tax with no cost deduction, at per-classification rates (retail 0.471%, services 1.5%–2.1%). No income tax.
Rates & thresholds last reviewed June 2026 against Washington State Department of Revenue guidance.
Your figures
Washington Business & Occupation Tax
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Enter your Washington figures to see an estimated Business & Occupation Tax liability and a line-by-line breakdown.
Not tax advice. This estimate is for general information and planning only. It may not capture every exclusion, credit, or special rule that applies to your business. Always verify against the official state instructions and consult a qualified CPA or tax advisor before filing or making payments.