WA Leg - SB 6346 Establishing a tax on millionaires. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False 01 - February 4, 2026 - First reading, referred to Ways & Means. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Wed, 04 Feb 2026 00:00:00 -0800 01-February4,2026-Firstreading,referredtoWays&Means. 02 - February 6, 2026 - Public hearing in the Senate Committee on Ways & Means at 1:30 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Fri, 06 Feb 2026 00:00:00 -0800 02-February6,2026-PublichearingintheSenateCommitteeonWays&Meansat1:30PM. 03 - February 9, 2026 - Executive action taken in the Senate Committee on Ways & Means at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Feb 2026 00:00:00 -0800 03-February9,2026-ExecutiveactiontakenintheSenateCommitteeonWays&Meansat10:30AM. 04 - February 9, 2026 - WM - Majority; 1st substitute bill be substituted, do pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Feb 2026 00:00:00 -0800 04-February9,2026-WM-Majority;1stsubstitutebillbesubstituted,dopass. 05 - February 9, 2026 - Minority; do not pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Feb 2026 00:00:00 -0800 05-February9,2026-Minority;donotpass. 06 - February 9, 2026 - Minority; without recommendation. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Feb 2026 00:00:00 -0800 06-February9,2026-Minority;withoutrecommendation. 07 - February 9, 2026 - Passed to Rules Committee for second reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Feb 2026 00:00:00 -0800 07-February9,2026-PassedtoRulesCommitteeforsecondreading. 08 - February 12, 2026 - Placed on second reading by Rules Committee. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Thu, 12 Feb 2026 00:00:00 -0800 08-February12,2026-PlacedonsecondreadingbyRulesCommittee. 09 - February 16, 2026 - 1st substitute bill substituted (WM 26). https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 16 Feb 2026 00:00:00 -0800 09-February16,2026-1stsubstitutebillsubstituted(WM26). 10 - February 16, 2026 - Floor amendment(s) adopted. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 16 Feb 2026 00:00:00 -0800 10-February16,2026-Flooramendment(s)adopted. 11 - February 16, 2026 - Rules suspended. Placed on Third Reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 16 Feb 2026 00:00:00 -0800 11-February16,2026-Rulessuspended.PlacedonThirdReading. 12 - February 16, 2026 - Third reading, passed; yeas, 27; nays, 22; absent, 0; excused, 0. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 16 Feb 2026 00:00:00 -0800 12-February16,2026-Thirdreading,passed;yeas,27;nays,22;absent,0;excused,0. 13 - February 17, 2026 - First reading, referred to Finance. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Tue, 17 Feb 2026 00:00:00 -0800 13-February17,2026-Firstreading,referredtoFinance. 14 - February 24, 2026 - Public hearing in the House Committee on Finance at 8:00 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Tue, 24 Feb 2026 00:00:00 -0800 14-February24,2026-PublichearingintheHouseCommitteeonFinanceat8:00AM. 15 - February 27, 2026 - Executive action taken in the House Committee on Finance at 8:00 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Fri, 27 Feb 2026 00:00:00 -0800 15-February27,2026-ExecutiveactiontakenintheHouseCommitteeonFinanceat8:00AM. 16 - February 27, 2026 - FIN - Majority; do pass with amendment(s). https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Fri, 27 Feb 2026 00:00:00 -0800 16-February27,2026-FIN-Majority;dopasswithamendment(s). 17 - February 27, 2026 - Minority; do not pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Fri, 27 Feb 2026 00:00:00 -0800 17-February27,2026-Minority;donotpass. 18 - February 27, 2026 - Minority; without recommendation. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Fri, 27 Feb 2026 00:00:00 -0800 18-February27,2026-Minority;withoutrecommendation. 19 - March 2, 2026 - Referred to Rules 2 Review. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 02 Mar 2026 00:00:00 -0800 19-March2,2026-ReferredtoRules2Review. 20 - March 6, 2026 - Rules Committee relieved of further consideration. Placed on second reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Fri, 06 Mar 2026 00:00:00 -0800 20-March6,2026-RulesCommitteerelievedoffurtherconsideration.Placedonsecondreading. 21 - March 9, 2026 - Committee amendment not adopted. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Mar 2026 00:00:00 -0700 21-March9,2026-Committeeamendmentnotadopted. 22 - March 9, 2026 - Floor amendment(s) adopted. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Mar 2026 00:00:00 -0700 22-March9,2026-Flooramendment(s)adopted. 23 - March 9, 2026 - Rules suspended. Placed on Third Reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Mar 2026 00:00:00 -0700 23-March9,2026-Rulessuspended.PlacedonThirdReading. 24 - March 9, 2026 - Third reading, passed; yeas, 51; nays, 46; absent, 0; excused, 1. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 09 Mar 2026 00:00:00 -0700 24-March9,2026-Thirdreading,passed;yeas,51;nays,46;absent,0;excused,1. 25 - March 11, 2026 - Senate concurred in House amendments. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Wed, 11 Mar 2026 00:00:00 -0700 25-March11,2026-SenateconcurredinHouseamendments. 26 - March 11, 2026 - Passed final passage; yeas, 27; nays, 21; absent, 0; excused, 1. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Wed, 11 Mar 2026 00:00:00 -0700 26-March11,2026-Passedfinalpassage;yeas,27;nays,21;absent,0;excused,1. 27 - March 12, 2026 - President signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Thu, 12 Mar 2026 00:00:00 -0700 27-March12,2026-Presidentsigned. 28 - March 12, 2026 - Speaker signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Thu, 12 Mar 2026 00:00:00 -0700 28-March12,2026-Speakersigned. 29 - March 13, 2026 - Delivered to Governor. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Fri, 13 Mar 2026 00:00:00 -0700 29-March13,2026-DeliveredtoGovernor. 30 - March 30, 2026 - Governor signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 30 Mar 2026 00:00:00 -0700 30-March30,2026-Governorsigned. 31 - March 30, 2026 - Chapter 238, 2026 Laws. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 30 Mar 2026 00:00:00 -0700 31-March30,2026-Chapter238,2026Laws. 32 - March 30, 2026 - Effective date 6/11/2026*. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6346&Initiative=False Bill Description - Establishing a tax on millionaires. Mon, 30 Mar 2026 00:00:00 -0700 32-March30,2026-Effectivedate6/11/2026*.