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Washington vs Federal Estate Tax: Why You Might Still Owe

The federal exemption is roughly $15 million. Washington's is $3 million. That five-times gap is where a lot of estates get an unwelcome surprise.

RCW 83.100.040(3)

By the FigureMyTax Editorial Team · Reviewed 2026 · How we calculate

Quick answer: yes — an estate can owe zero federal estate tax and still owe real money to Washington, because the two thresholds aren't remotely close. Run your own numbers in the Washington estate tax calculator.

Two exemptions, five times apart

The federal estate tax exemption sits at roughly $15,000,000 per individual for 2026. Washington's own exemption is $3,000,000 for deaths on or after July 1, 2026 — about a fifth of the federal line. Any estate between those two numbers owes nothing federally but can face a genuine Washington tax bill.

A stand-alone tax, by design

Straight from the statute: the tax imposed under this chapter is independent of any federal estate tax obligation and is not affected by termination of the federal estate tax. Washington built its own tax base and exemption specifically so state revenue wouldn't disappear if Congress changed or eliminated the federal tax.

A very ordinary estate can cross the line

A Washington homeowner with a paid-off house, a retirement account, and a life insurance policy can reach $3 to $4 million surprisingly easily — without feeling wealthy by the standard the $15 million federal number implies. The gap catches people who correctly checked the federal number and stopped there.

Facing probate in Washington?

A local probate attorney can review your estate — many offer a free consultation.

Talk to a Washington attorney

See the full threshold and rate breakdown for the exact bracket table this tax runs on above the $3,000,000 line.

State vs federal — frequently asked questions

How much lower is Washington's exemption than the federal one?

Washington's exemption is $3,000,000 for deaths on or after July 1, 2026, compared to a federal exemption of roughly $15,000,000 per individual — about a fifth of the federal threshold.

Can an estate owe Washington tax but zero federal tax?

Yes, routinely. Any estate between $3,000,000 and $15,000,000 owes no federal estate tax at all, but can still owe a substantial Washington estate tax bill.

Is Washington's estate tax connected to federal law at all?

No. The statute explicitly describes Washington's estate tax as a stand-alone obligation, independent of any federal estate tax and unaffected by changes to federal law, including if Congress were to repeal the federal estate tax entirely.

What kind of estate typically gets caught by this gap?

A Washington homeowner with a paid-off house, retirement accounts, and life insurance can reach $3-4 million surprisingly easily without feeling wealthy by federal estate-tax standards.

Can I owe Washington estate tax even if I owe no federal estate tax?

Yes — an estate can owe zero federal estate tax and still owe real money to Washington, because the two thresholds aren't remotely close.

Keep going

Washington Estate Tax CalculatorYour estimate, based on your answers Washington Estate Tax: Threshold & RatesThe full bracket table, explained Washington Estate Tax PortabilityWhy there isn't any, and what to do instead Washington Executor Fee CalculatorWhat the executor gets paid

This page provides general guidance only and is not legal or tax advice. Based on RCW 83.100.040(3) and IRS estate and gift tax guidance for 2026. Confirm current figures with the Washington Department of Revenue, the IRS, or a licensed attorney before acting.