---
type: "Bill"
title: "Concerning scissor stair regulations in the state building code."
description: "Concerning scissor stair regulations in the state building code."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2025-2026"
identifier: "HB 2228"
citation: "Washington HB 2228 (2025-2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Zahn"]
version_count: 3
action_count: 23
vote_count: 2
first_action: "2025-12-31"
last_action: "2026-03-09"
source: "openstates"
source_identifier: "ocd-bill/00fbea2e-d684-45c8-84a4-4c02a92593a3"
source_url: "https://app.leg.wa.gov/billsummary/?BillNumber=2228&Year=2025&Initiative=false"
source_hash: "c8f24af5cd7aedd34c5a32c059810485ddac90dcca3c1f824966f596d5de5a08"
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 HB 2228 (2025-2026) — Concerning scissor stair regulations in the state building code.

## 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/2025-26/Htm/Bills/House%20Bills/2228.htm)
2. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/2228-S.htm)
3. **Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Passed%20Legislature/2228-S.PL.htm)

## Votes

- 3rd Reading & Final Passage (#15) — **95–0** (pass) · lower
- 3rd Reading & Final Passage (#5) — **48–0** (pass) · upper

## Sponsors

- Zahn — primary (person)
- Bernbaum — cosponsor (person)
- Duerr — cosponsor (person)
- Gregerson — cosponsor (person)
- Hill — cosponsor (person)
- Lekanoff — cosponsor (person)
- Ormsby — cosponsor (person)
- Parshley — cosponsor (person)
- Peterson — cosponsor (person)
- Ramel — cosponsor (person)
- Reed — cosponsor (person)
- Thomas — cosponsor (person)

## Timeline

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

- **2025-12-31** Prefiled for introduction. `filing`
- **2026-01-12** First reading, referred to Local Government. `reading-1`
- **2026-01-16** Public hearing in the House Committee on Local Government at 10:30 AM.
- **2026-01-23** Executive action taken in the House Committee on Local Government at 10:30 AM.
- **2026-01-23** LG - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2026-01-27** Referred to Rules 2 Review. `referral-committee`
- **2026-02-06** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2026-02-10** 1st substitute bill substituted (LG 26). `substitution`
- **2026-02-10** Rules suspended. Placed on Third Reading. `reading-3`
- **2026-02-10** Third reading, passed; yeas, 95; nays, 0; absent, 0; excused, 3. `reading-3`
- **2026-02-12** First reading, referred to Housing. `reading-1`
- **2026-02-18** Executive action taken in the Senate Committee on Housing at 10:30 AM.
- **2026-02-18** HSG - Majority; do pass. `committee-passage-favorable`
- **2026-02-19** Passed to Rules Committee for second reading.
- **2026-02-24** Placed on second reading by Rules Committee. `reading-2`
- **2026-02-26** Rules suspended. Placed on Third Reading. `reading-3`
- **2026-02-26** Third reading, passed; yeas, 48; nays, 0; absent, 0; excused, 1. `reading-3`
- **2026-02-28** Speaker signed. `passage`
- **2026-02-28** President signed. `passage`
- **2026-03-03** Delivered to Governor. `executive-receipt`
- **2026-03-09** Governor signed. `executive-signature`
- **2026-03-09** Chapter 4, 2026 Laws. `became-law`
- **2026-03-09** Effective date 6/11/2026. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/00fbea2e-d684-45c8-84a4-4c02a92593a3`. Confidence: reported (aggregated from official Washington legislature records).