Travis Bunn

Founder, AppealDesk · Published March 27, 2026 · Updated August 19, 2026

Washington Has No Inheritance Tax, But Its Estate Tax Just Jumped to 35%

Updated August 2026

Washington already assesses every home at 100% of market value every year, so there is no acquisition-value reset for inheritance to trigger the way there is in California. In that sense, inheriting a Washington home changes nothing about how the county values it. What does change: the senior/disabled property tax exemption expires with its holder, and if the estate is large enough, Washington's state estate tax now runs as high as 35% for deaths through mid-2026, up sharply from the 20% top rate that applied before.

No Reassessment Trigger, Because There's Nothing to Reset

RCW 84.40.030 requires that all property be valued at 100% of true and fair market value, and RCW 84.41.030 puts every county on a continuous annual revaluation program with a physical inspection at least once every six years. Nothing in either statute ties valuation to a purchase, sale, or inheritance event. Unlike states that reset assessed value at transfer, Washington's number is simply this year's market value, recalculated the same way regardless of who owns the property or how long they've owned it.

The Senior/Disabled Exemption Is Personal, Not Attached to the House

RCW 84.36.381 lets homeowners 61 or older, or those retired due to disability, or veterans with an 80%+ VA rating, exempt a portion of their home's value from property tax if their combined disposable income falls under a county-specific threshold. The exemption belongs to the qualifying person, not the parcel. The statute contains exactly one continuity provision: a surviving spouse or domestic partner of someone who was receiving the exemption keeps it if they are 57 or older. There is no equivalent carryover for an adult child or any other heir.

DOR's own application, Form REV 64 0002, confirms this in practice: it requires the applicant's own age or disability documentation, their own ownership and occupancy dates, and a fresh income worksheet. A non-spouse heir who wants the exemption has to qualify independently and file it themselves; there is no transfer mechanism on the form.

The Estate Tax, Not an Inheritance Tax, Is What Can Actually Cost You

DOR is direct about the distinction on its own estate tax FAQ: "Washington does not have an inheritance tax. Washington does have an estate tax." An inheritance tax would fall on the person receiving property; Washington's tax instead falls on the estate itself, paid out of estate assets before anything is distributed, meaning heirs owe nothing personally even when the estate does.

The filing threshold and rates changed materially in 2025. SB 5813, enacted as Chapter 421 of the 2025 session laws and effective May 20, 2025, raised the exclusion amount from $2,193,000 (where it had sat since 2018) and, more strikingly, temporarily pushed the top marginal rate from 20% to 35% for deaths between July 1, 2025 and June 30, 2026. DOR's published table shows the exclusion moving in steps rather than a straight line: $3,000,000 for deaths from July 1 to December 31, 2025, briefly $3,076,000 for the first half of 2026, then settling at $3,000,000 from July 1, 2026 onward. The 35% top rate applies only within that one-year window; the schedule reverts to the prior 10%-to-20% structure for deaths on or after July 1, 2026.

Estates well under the exclusion amount owe nothing regardless of the rate table. DOR also allows a spousal personal-residence exclusion, letting a decedent's share of a jointly-owned home be excluded when testing whether the estate even hits the filing threshold in the first place.

Community Property Doesn't Automatically Skip Probate

As a community property state, Washington gives a surviving spouse the entire community-property share of the estate outright under RCW 11.04.015. But RCW 11.02.070 makes clear that community property is not automatically exempt from probate administration just because it's community property. A couple needs a valid community property agreement, or another non-probate tool like a transfer-on-death deed, for the surviving spouse to receive full title without going through probate at all. Absent one of those, the whole of the community property remains subject to probate for purposes of paying community debts and other administration costs.

One related point worth separating out clearly: federal law gives community property a full basis step-up on both halves at the first spouse's death, not just the deceased half. That is a federal income-tax rule that affects capital gains tax if the property is later sold. It has no bearing on Washington's property tax bill, which is based on current market value, not on cost basis.

Appealing Before Probate Closes

RCW 84.40.038 gives petitioners until July 1 of the assessment year, or 30 days after the assessment notice was mailed, whichever is later, to petition their county Board of Equalization. Neither that statute nor WAC 458-14-056 conditions the right to petition on completed probate; both use the broader phrase "owner or person responsible for payment of taxes." WAC 458-14-005 defines "taxpayer" to explicitly include a personal representative, which is the formal route an estate uses to appeal while probate is still open. Practically, once a personal representative is appointed, they can file the petition on the estate's behalf without waiting for probate to close.

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