---
type: "Bill"
title: "Concerning access to psilocybin services by individuals 21 years of age and older."
description: "Concerning access to psilocybin services by individuals 21 years of age and older."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "SB 5263"
citation: "Washington SB 5263 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Salomon"]
version_count: 4
action_count: 43
vote_count: 3
first_action: "2023-01-11"
last_action: "2023-05-09"
source: "openstates"
source_identifier: "ocd-bill/c0246c20-dec6-4e29-a333-a41eb0614b31"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5263&year=2023"
source_hash: "65e10b94146894c3a9bfac1acaf0035598f49c6f9c104ab6092bb31290ff74e1"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wa"]
---

# Washington SB 5263 (2023-2024) — Concerning access to psilocybin services by individuals 21 years of age and older.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/5263.htm)
2. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/5263-S2.htm)
3. **Second Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Passed%20Legislature/5263-S2.PL.htm)
4. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/5263-S.htm)

## Votes

- 3rd Reading & Final Passage (#16) — **41–7** (pass) · upper
- Final Passage as Amended by the House (#30) — **40–4** (pass) · upper
- Final Passage as Amended by the House (#6) — **87–10** (pass) · lower

## Sponsors

- Salomon — primary (person)
- Billig — cosponsor (person)
- C. Wilson — cosponsor (person)
- Conway — cosponsor (person)
- Frame — cosponsor (person)
- Hasegawa — cosponsor (person)
- Hunt — cosponsor (person)
- Keiser — cosponsor (person)
- Kuderer — cosponsor (person)
- Liias — cosponsor (person)
- Lovelett — cosponsor (person)
- Lovick — cosponsor (person)
- Mullet — cosponsor (person)
- Muzzall — cosponsor (person)
- Nobles — cosponsor (person)
- Pedersen — cosponsor (person)
- Rivers — cosponsor (person)
- Robinson — cosponsor (person)
- Saldaña — cosponsor (person)
- Trudeau — cosponsor (person)
- Van De Wege — cosponsor (person)
- Wellman — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-01-11** First reading, referred to Labor & Commerce. `reading-1`
- **2023-01-30** Public hearing in the Senate Committee on Labor & Commerce at 10:30 AM.
- **2023-02-16** Executive action taken in the Senate Committee on Labor & Commerce at 8:00 AM.
- **2023-02-16** LC - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2023-02-16** And refer to Ways & Means. `referral-committee`
- **2023-02-16** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-02-17** Referred to Ways & Means. `referral-committee`
- **2023-02-21** Public hearing in the Senate Committee on Ways & Means at 9:00 AM.
- **2023-02-23** Executive action taken in the Senate Committee on Ways & Means at 9:00 AM.
- **2023-02-23** WM - Majority; 2nd substitute bill be substituted, do pass. `substitution`
- **2023-02-23** Minority; do not pass. `committee-passage-unfavorable`
- **2023-02-23** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-02-24** Passed to Rules Committee for second reading.
- **2023-03-01** Placed on second reading by Rules Committee. `reading-2`
- **2023-03-07** 2nd substitute bill substituted (WM 23). `substitution`
- **2023-03-07** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-03-07** Third reading, passed; yeas, 41; nays, 7; absent, 0; excused, 1. `reading-3`
- **2023-03-09** First reading, referred to Health Care & Wellness. `reading-1`
- **2023-03-24** Public hearing in the House Committee on Health Care & Wellness at 8:00 AM.
- **2023-03-28** Executive session scheduled, but no action was taken in the House Committee on Health Care & Wellness at 1:30 PM.
- **2023-03-29** Executive action taken in the House Committee on Health Care & Wellness at 1:30 PM.
- **2023-03-29** HCW - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2023-03-29** Minority; do not pass. `committee-passage-unfavorable`
- **2023-03-29** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-03-29** Referred to Appropriations. `referral-committee`
- **2023-04-01** Public hearing in the House Committee on Appropriations at 9:00 AM.
- **2023-04-04** Executive action taken in the House Committee on Appropriations at 9:00 AM.
- **2023-04-04** APP - Majority; do pass with amendment(s) by Health Care & Wellness. `committee-passage-favorable`
- **2023-04-04** Minority; do not pass. `committee-passage-unfavorable`
- **2023-04-04** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-04-04** Referred to Rules 2 Review. `referral-committee`
- **2023-04-10** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2023-04-11** Committee amendment(s) adopted with no other amendments.
- **2023-04-11** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-04-11** Third reading, passed; yeas, 87; nays, 10; absent, 0; excused, 1. `reading-3`
- **2023-04-14** Senate concurred in House amendments.
- **2023-04-14** Passed final passage; yeas, 40; nays, 4; absent, 0; excused, 5. `passage`
- **2023-04-18** President signed. `passage`
- **2023-04-20** Speaker signed. `passage`
- **2023-04-20** Delivered to Governor. `executive-receipt`
- **2023-05-09** Governor partially vetoed. `executive-veto-line-item`
- **2023-05-09** Chapter 364, 2023 Laws PV. `became-law`
- **2023-05-09** Effective date 7/23/2023*. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c0246c20-dec6-4e29-a333-a41eb0614b31`. Confidence: reported (aggregated from official Washington legislature records).