SB6346 Establishes Tax on Millionaires, Washington
Summary
Washington State has enacted SB6346, establishing a tax on individuals meeting the statutory threshold for millionaire status. The bill was signed by the Governor on March 30, 2026, and takes effect on June 11, 2026. The legislation passed the Senate 27-21 and the House 51-46 after extensive amendment.
“Establishing a tax on millionaires.”
Washington tax practitioners and financial advisers serving high-net-worth clients should begin reviewing current tax planning structures in light of SB6346's June 2026 effective date — the specific threshold and rate structure, once formally codified, will determine which clients fall within scope and whether existing wealth management strategies require adjustment.
What changed
SB6346 creates a new tax obligation for individuals meeting the statutory definition of a millionaire under Washington law. The bill passed both chambers with narrow margins and incorporates House amendments adopted during the legislative process.
Wealthy individuals and high-net-worth residents of Washington should review their tax planning strategies ahead of the June 11, 2026 effective date. Tax advisors and financial professionals serving affluent clients should prepare for new compliance requirements under this legislation.
Archived snapshot
Apr 22, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
ChangeBridge / Washington / SB6346 Enacted SB6346 Senate Bill Enacted 2026-03-30
Establishing a tax on millionaires.
Bill Details
State Washington
Session 2025-2026 Regular Session
Chamber Senate
Official Source app.leg.wa.gov/billsummary?BillNumber=6346...
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Sponsors
Jamie Pedersen (Sen - D) Mike Chapman (Sen - D) Noel Frame (Sen - D) Jessica Bateman (Sen - D) Tina Orwall (Sen - D) Vandana Slatter (Sen - D) Emily Alvarado (Sen - D) Victoria Hunt (Rep - D) Liz Lovelett (Sen - D) Marcus Riccelli (Sen - D) Sharon Shewmake (Sen - D) Javier Valdez (Sen - D) Lisa Wellman (Sen - D) Robert Hasegawa (Sen - D) June Robinson (Sen - D) John Lovick (Sen - D) Steven Conway (Sen - D) Yasmin Trudeau (Sen - D) Annette Cleveland (Sen - D) Claudia Kauffman (Sen - D) Claire Wilson (Sen - D) Manka Dhingra (Sen - D) Derek Stanford (Sen - D) T'wina Nobles (Sen - D) Rebecca Saldana (Sen - D) Jesse Salomon (Sen - D)
Action History
2026-03-30 S Effective date 6/11/2026*. 2026-03-30 S Chapter 238, 2026 Laws. 2026-03-30 S Governor signed. 2026-03-13 S Delivered to Governor. 2026-03-12 H Speaker signed. 2026-03-12 S President signed. 2026-03-11 S Passed final passage; yeas, 27; nays, 21; absent, 0; excused, 1. 2026-03-11 S Senate concurred in House amendments. 2026-03-09 H Third reading, passed; yeas, 51; nays, 46; absent, 0; excused, 1. 2026-03-09 H Rules suspended. Placed on Third Reading. 2026-03-09 H Floor amendment 2026-03-09 H Committee amendment not adopted. 2026-03-06 H Rules Committee relieved of further consideration. Placed on second reading. 2026-03-02 H Referred to Rules 2 Review. 2026-02-27 H Minority; without recommendation. 2026-02-27 H Minority; do not pass. 2026-02-27 H FIN - Majority; do pass with amendment 2026-02-27 H Executive action taken in the House Committee on Finance at 8:00 AM. 2026-02-24 H Public hearing in the House Committee on Finance at 8:00 AM. 2026-02-17 H First reading, referred to Finance. 2026-02-16 S Third reading, passed; yeas, 27; nays, 22; absent, 0; excused, 0. 2026-02-16 S Rules suspended. Placed on Third Reading. 2026-02-16 S Floor amendment 2026-02-16 S 1st substitute bill substituted 2026-02-12 S Placed on second reading by Rules Committee. 2026-02-09 S Passed to Rules Committee for second reading. 2026-02-09 S Minority; without recommendation. 2026-02-09 S Minority; do not pass. 2026-02-09 S WM - Majority; 1st substitute bill be substituted, do pass. 2026-02-09 S Executive action taken in the Senate Committee on Ways & Means at 10:30 AM. 2026-02-06 S Public hearing in the Senate Committee on Ways & Means at 1:30 PM. 2026-02-04 S First reading, referred to Ways & Means.
Votes
2026-02-09 Senate Committee on Ways & Means: 1st substitute bill be substituted, do pass Yea: 14 Nay: 8 2026-02-16 Senate 3rd Reading & Final Passage Yea: 27 Nay: 22 2026-02-27 House Committee on Finance: do pass with amendment(s) Yea: 9 Nay: 5 2026-03-09 House Final Passage as Amended by the House Yea: 51 Nay: 46 2026-03-11 Senate Final Passage As Amended by the House Yea: 27 Nay: 21
Committee Referrals
2026-02-04 S Ways & Means 2026-02-09 S Rules 2026-02-17 H Finance 2026-03-02 H Rules
Amendments
0000-00-00 Senate Floor Amendment 0000-00-00 Senate Floor Amendment 0000-00-00 Senate Floor Amendment 0000-00-00 Senate Floor Amendment 0000-00-00 Senate Floor Amendment 2026-02-16 Senate Floor Amendment Adopted 2026-02-16 Senate Floor Amendment Adopted 2026-02-16 Senate Floor Amendment Adopted 2026-02-16 Senate Floor Amendment Adopted 2026-02-16 Senate Floor Amendment Adopted 0000-00-00 House Committee Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 0000-00-00 House Floor Amendment 2026-03-09 House Engrossed Amendment Adopted
Bill Text Versions
0000-00-00 Introduced 0000-00-00 Comm Sub 0000-00-00 Engrossed 0000-00-00 Enrolled 0000-00-00 Chaptered Legislative data powered by LegiScan (CC BY 4.0)
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