TaxPlanCalcTax year 2026

Washington Estate Tax Calculator

2026 rules

Enter the taxable estate to see the Washington estate tax for a 2026 death.

Your numbers

Result

Washington estate tax$390,000

  1. Taxable estate$6,000,000
  2. Exclusion-$3,000,000
  3. Rates10% to 20%
  4. Washington estate tax$390,000
  5. Share of the estate6.50%
  6. Left after this tax$5,610,000

Washington doesn't allow portability of a spouse's unused exclusion.

Washington at a glance

How it works
Washington taxes estates over $3,000,000 for deaths from July 2026 ($3,076,000 earlier in 2026), at 10% to 20% (10% to 35% for deaths before July 2026).
Who pays
The estate pays it; heirs owe nothing extra.

Questions

Who pays Washington's estate tax?

The estate pays it; heirs owe nothing extra.

Is there also a federal estate tax?

Only on estates over $15 million per person in 2026, at 40% above that. Most estates that owe Washington tax owe no federal tax.

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