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STATE · OTHER · RCW 83
WA Estate Tax 2026 Rollback (SB 6347)
Reverted estate-tax rates to pre-2025 levels (10%-20%). Maintained $3M exemption per individual. Froze the exemption by using a defunct inflation index (STB index no longer exists), so the $3M effectively never adjusts ...
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Latest year
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Cumulative collected
10-20% range (restored to pre-2025 levels)
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Years of data
About this revenue source
Reverted estate-tax rates to pre-2025 levels (10%-20%). Maintained $3M exemption per individual. Froze the exemption by using a defunct inflation index (STB index no longer exists), so the $3M effectively never adjusts upward. Top rate at $9M+. Signed March 25, 2026.
Authorization
Statutory or ballot basis for this revenue source.
Statutory citation: RCW 83
Effective: Jul 01, 2026
Collection history
Year-by-year amount collected as documented in the source ledger (Annual Tax Books for property-tax sources; CAFRs and revenue schedules for others).
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Funds it feeds
Every governmental fund that this revenue source flows into. Allocation percentages are documented where the source materials specify them.
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Real-estate relevance
Modest change to RE estate planning incentives
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