Washington Capital Gains Tax Calculator
Washington imposes a capital gains excise tax on high-value gains. Combined top rate: 33.7%.
Step 1: Your income before the capital gain
Your existing taxable income determines which federal capital gains bracket applies (0%, 15%, or 20%).
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Don't know your taxable income? Calculate it from gross income
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Standard deduction (single): $15,750
Or use the Washington Income Tax Calculator for a detailed breakdown.
⚠️ This calculator provides estimates for educational purposes only. It is not financial, tax, or legal advice. Your actual results may vary.
Washington Capital Gains Rules
7% excise tax on long-term gains above $286K
WA imposes 7% on LTCG above standard deduction ($286K est. 2026). 9.9% on gains over $1M. Real estate, retirement accounts exempt.
Frequently Asked Questions
Does Washington tax capital gains?
Yes. Washington imposes a 7% excise tax on long-term capital gains above the standard deduction threshold (~$286,000 for 2026), plus 9.9% on gains over $1 million. Real estate and retirement accounts are exempt.
Is Washington's capital gains tax an income tax?
No. It's legally classified as an excise tax, not an income tax. The Washington Supreme Court upheld this classification in 2023. It applies only to long-term gains above the threshold.
What is exempt from Washington's capital gains tax?
Real estate sales, retirement account distributions, livestock/timber, and depreciable business assets are all exempt from the excise tax.
What is the combined capital gains tax rate in Washington?
For gains above the threshold: up to 33.7% (federal 20% + NIIT 3.8% + state 7%). For gains over $1M: up to 33.7%.
Related Resources
For informational purposes only.