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WashingtonSB 63472025-2026 Regular SessionSenateWALLET

Undoing the recent changes to the estate tax.

Sponsored By: Claudia Kauffman (Democratic)

Signed by Governor

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Bill Overview

Analyzed Economic Effects

1 provisions identified: 0 benefits, 0 costs, 1 mixed.

Washington estate exemption drops, then tracks inflation

The law takes effect June 11, 2026, and bases Washington’s estate tax exemption on the date of death. For deaths from January 1 through June 30, 2026, the exemption is $3.076 million. For deaths on or after July 1, 2026, it is $3 million, before later inflation adjustments. Starting in 2027, the law adjusts that $3 million base annually using the Seattle-Tacoma-Bremerton consumer price index for all urban consumers. It compares the most recent October index with October 2024 and rounds the result to the nearest $1,000. The exemption increases only when the result exceeds the prior year’s amount.

Sponsors & Cosponsors

Sponsor

  • Claudia Kauffman

    Democratic • Senate

Cosponsors

  • Manka Dhingra

    Democratic • Senate

  • Marko Liias

    Democratic • Senate

  • Vandana Slatter

    Democratic • Senate

Roll Call Votes

All Roll Calls

Yes: 162 • No: 29

Senate vote • 3/12/2026

Final Passage as Amended by the House

Yes: 39 • No: 10

House vote • 3/11/2026

Final Passage as Amended by the House

Yes: 85 • No: 8 • Other: 5

Senate vote • 2/16/2026

3rd Reading & Final Passage

Yes: 38 • No: 11

Actions Timeline

  1. Effective date 6/11/2026.

    3/24/2026Senate

  2. Chapter 209, 2026 Laws.

    3/24/2026Senate

  3. Governor signed.

    3/24/2026legislature

  4. Delivered to Governor.

    3/13/2026legislature

  5. Passed final passage; yeas, 39; nays, 10; absent, 0; excused, 0.

    3/12/2026Senate

  6. Senate concurred in House amendments.

    3/12/2026House

  7. Speaker signed.

    3/12/2026legislature

  8. President signed.

    3/12/2026legislature

  9. Third reading, passed; yeas, 85; nays, 8; absent, 0; excused, 5.

    3/11/2026Senate

  10. Rules suspended. Placed on Third Reading.

    3/11/2026Senate

  11. Floor amendment(s) adopted.

    3/11/2026Senate

  12. Committee amendment not adopted.

    3/11/2026Senate

  13. Rules Committee relieved of further consideration. Placed on second reading.

    3/6/2026Senate

  14. Referred to Rules 2 Review.

    3/2/2026Senate

  15. Minority; without recommendation.

    3/2/2026Senate

  16. FIN - Majority; do pass with amendment(s).

    3/2/2026Senate

  17. FIN - Executive action taken by committee.

    3/2/2026Senate

  18. First reading, referred to Finance.

    2/17/2026Senate

  19. Third reading, passed; yeas, 38; nays, 11; absent, 0; excused, 0.

    2/16/2026Senate

  20. Rules suspended. Placed on Third Reading.

    2/16/2026Senate

  21. Floor amendment(s) adopted.

    2/16/2026Senate

  22. Placed on second reading by Rules Committee.

    2/12/2026Senate

  23. Minority; without recommendation.

    2/9/2026Senate

  24. Minority; do not pass.

    2/9/2026Senate

  25. WM - Majority; do pass.

    2/9/2026Senate

Bill Text

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