---
type: "Bill"
title: "Concerning housing affordability tax incentives for existing structures."
description: "Concerning housing affordability tax incentives for existing structures."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "SB 6175"
citation: "Washington SB 6175 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Trudeau"]
version_count: 5
action_count: 41
vote_count: 3
first_action: "2024-01-11"
last_action: "2024-03-28"
source: "openstates"
source_identifier: "ocd-bill/52338980-08a2-44e5-b6a6-cacacf47b02e"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=6175&year=2023"
source_hash: "c4e0b42032e858fefa43a02f1d9b6b129e195e32097c0bc5847496422ad74680"
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 6175 (2023-2024) — Concerning housing affordability tax incentives for existing structures.

## 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/6175.htm)
2. **Engrossed Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/6175-S2.E.htm)
3. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/6175-S2.htm)
4. **Second Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Passed%20Legislature/6175-S2.PL.htm)
5. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/6175-S.htm)

## Votes

- Final Passage as Amended by the House (#27) — **94–2** (pass) · lower
- Final Passage as Amended by the House (#12) — **46–1** (pass) · upper
- 3rd Reading & Final Passage (#24) — **48–1** (pass) · upper

## Sponsors

- Trudeau — primary (person)
- Billig — cosponsor (person)
- C. Wilson — cosponsor (person)
- Frame — cosponsor (person)
- Kuderer — cosponsor (person)
- Mullet — cosponsor (person)
- Nguyen — cosponsor (person)
- Nobles — cosponsor (person)
- Randall — cosponsor (person)
- Saldaña — cosponsor (person)
- Valdez — cosponsor (person)

## Timeline

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

- **2024-01-11** First reading, referred to Housing. `reading-1`
- **2024-01-24** Public hearing in the Senate Committee on Housing at 10:30 AM.
- **2024-01-26** Executive action taken in the Senate Committee on Housing at 10:30 AM.
- **2024-01-26** HSG - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2024-01-26** And refer to Ways & Means. `referral-committee`
- **2024-01-26** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-01-29** Referred to Ways & Means. `referral-committee`
- **2024-02-01** Public hearing in the Senate Committee on Ways & Means at 1:30 PM.
- **2024-02-05** Executive action taken in the Senate Committee on Ways & Means at 10:00 AM.
- **2024-02-05** WM - Majority; 2nd substitute bill be substituted, do pass. `substitution`
- **2024-02-05** Minority; do not pass. `committee-passage-unfavorable`
- **2024-02-05** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-02-05** Passed to Rules Committee for second reading.
- **2024-02-06** Placed on second reading by Rules Committee. `reading-2`
- **2024-02-09** 2nd substitute bill substituted (WM 24). `substitution`
- **2024-02-09** Floor amendment(s) adopted.
- **2024-02-09** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-02-09** Third reading, passed; yeas, 48; nays, 1; absent, 0; excused, 0. `reading-3`
- **2024-02-13** First reading, referred to Housing. `reading-1`
- **2024-02-19** Public hearing in the House Committee on Housing at 1:30 PM.
- **2024-02-20** Executive action taken in the House Committee on Housing at 4:00 PM.
- **2024-02-20** HOUS - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2024-02-20** Minority; do not pass. `committee-passage-unfavorable`
- **2024-02-21** Referred to Finance. `referral-committee`
- **2024-02-23** Public hearing in the House Committee on Finance at 9:00 AM.
- **2024-02-26** Executive action taken in the House Committee on Finance at 8:00 AM.
- **2024-02-26** FIN - Majority; do pass with amendment(s) by Housing. `committee-passage-favorable`
- **2024-02-26** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-02-26** Referred to Rules 2 Review. `referral-committee`
- **2024-03-05** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2024-03-05** Committee amendment(s) adopted with no other amendments.
- **2024-03-05** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-03-05** Third reading, passed; yeas, 94; nays, 2; absent, 0; excused, 1. `reading-3`
- **2024-03-06** Senate concurred in House amendments.
- **2024-03-06** Passed final passage; yeas, 46; nays, 1; absent, 0; excused, 2. `passage`
- **2024-03-07** President signed. `passage`
- **2024-03-07** Speaker signed. `passage`
- **2024-03-08** Delivered to Governor. `executive-receipt`
- **2024-03-28** Governor signed. `executive-signature`
- **2024-03-28** Chapter 332, 2024 Laws. `became-law`
- **2024-03-28** Effective date 6/6/2024. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/52338980-08a2-44e5-b6a6-cacacf47b02e`. Confidence: reported (aggregated from official Washington legislature records).