WASHINGTON CAPITAL GAINS TAX · TAX YEAR 2026

Washington capital gains tax calculator

Washington has no income tax, but it taxes long-term capital gains on stocks, bonds and other investments at 7% above a standard deduction of $278,000 (latest published, 2025), and 2.9% more on taxable gains over $1,000,000. On a $50,000 long-term gain with $75,000 of wages, a single filer owes no Washington tax and $7,500 of federal income tax, $7,500 in all, and keeps $42,500.

Tax on your gain

Total tax on the gain: $7,500.00
Federal income tax: $7,500.00
Net investment income tax: $0.00
Washington capital gains tax: $0.00
After-tax gain: $42,500.00
Effective rate: 15.00%

Washington tax by size of gain

What a single filer with $75,000 of wages owes on a long-term gain, and the state tax if the same gain were short-term. Federal tax includes the net investment income tax.

Washington tax on a capital gain — tax year 2026
Gain	Federal tax	State tax	State tax if short-term
$10,000	$1,500	$0	$0
$50,000	$7,500	$0	$0
$100,000	$15,000	$0	$0
$250,000	$42,250	$0	$0
$1,000,000	$208,920	$50,540	$0

Washington capital gains tax questions

Does Washington tax capital gains?

Yes. Washington has no income tax, but it taxes long-term capital gains on stocks, bonds and other investments at 7% above a standard deduction of $278,000 (latest published, 2025), and 2.9% more on taxable gains over $1,000,000.

How much Washington tax is due on a capital gain?

A single filer with $75,000 of wages owes no Washington tax on a $50,000 long-term gain, and nothing on a $250,000 gain. Federal tax on the same gains is $7,500 and $42,250.

Does Washington tax short-term capital gains differently?

Yes. A $1,000,000 short-term gain owes no Washington tax, against $50,540 on a long-term gain. Federal tax on it is $373,330, against $208,920.

Does Washington tax capital gains on real estate?

No. Real estate, retirement accounts and short-term gains are not taxed. The tax falls on long-term gains from stocks, bonds, funds and business interests. With $75,000 of wages, a $1,000,000 long-term gain owes $50,540 of Washington capital gains tax.

What the calculator leaves out

Real estate, retirement accounts and short-term gains are not taxed.
Married couples share one standard deduction.

Standard deduction: latest published, 2025. Washington adjusts it for inflation each year; the 2026 amount was not yet published.

Federal tax stacks the gain on wages after the 2026 standard deduction, taxes a long-term gain at the long-term capital gains rates and a short-term gain at the ordinary brackets, and adds the net investment income tax. The gain is the only investment income. Capital losses and carryovers, qualified dividends, the collectibles and section 1250 rates, the alternative minimum tax and credits are left out; enter a home sale's gain after any federal exclusion.

Sources

Read the full assumptions and sources.