---
type: "Bill"
title: "Increasing middle housing in areas traditionally dedicated to single-family detached housing."
description: "Increasing middle housing in areas traditionally dedicated to single-family detached housing."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "HB 1110"
citation: "Washington HB 1110 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bateman"]
version_count: 5
action_count: 44
vote_count: 3
first_action: "2023-01-04"
last_action: "2023-05-08"
source: "openstates"
source_identifier: "ocd-bill/fec5d690-b840-494a-af94-9a0ffef2a20b"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=1110&year=2023"
source_hash: "2c7051d97d2ab4c91888833cd08b5d0ecf31a99a913836850679dddd8453194b"
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 1110 (2023-2024) — Increasing middle housing in areas traditionally dedicated to single-family detached housing.

## 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/House%20Bills/1110.htm)
2. **Engrossed Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/1110-S2.E.htm)
3. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/1110-S2.htm)
4. **Second Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Passed%20Legislature/1110-S2.PL.htm)
5. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/1110-S.htm)

## Votes

- 3rd Reading & Final Passage as Amended by the Senate (#15) — **35–14** (pass) · upper
- Final Passage as Amended by the Senate (#8) — **79–18** (pass) · lower
- 3rd Reading & Final Passage (#28) — **75–21** (pass) · lower

## Sponsors

- Bateman — primary (person)
- Alvarado — cosponsor (person)
- Barkis — cosponsor (person)
- Bergquist — cosponsor (person)
- Berry — cosponsor (person)
- Cortes — cosponsor (person)
- Doglio — cosponsor (person)
- Duerr — cosponsor (person)
- Farivar — cosponsor (person)
- Fitzgibbon — cosponsor (person)
- Fosse — cosponsor (person)
- Gregerson — cosponsor (person)
- Lekanoff — cosponsor (person)
- Macri — cosponsor (person)
- Mena — cosponsor (person)
- Ormsby — cosponsor (person)
- Peterson — cosponsor (person)
- Pollet — cosponsor (person)
- Ramel — cosponsor (person)
- Reed — cosponsor (person)
- Riccelli — cosponsor (person)
- Ryu — cosponsor (person)
- Santos — cosponsor (person)
- Stonier — cosponsor (person)
- Street — cosponsor (person)
- Taylor — cosponsor (person)
- Thai — cosponsor (person)
- Wylie — cosponsor (person)

## Timeline

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

- **2023-01-04** Prefiled for introduction. `filing`
- **2023-01-09** First reading, referred to Housing. `reading-1`
- **2023-01-17** Public hearing in the House Committee on Housing at 4:00 PM.
- **2023-02-07** Executive action taken in the House Committee on Housing at 4:00 PM.
- **2023-02-07** HOUS - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2023-02-07** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-02-13** Referred to Appropriations. `referral-committee`
- **2023-02-21** Public hearing in the House Committee on Appropriations at 1:30 PM.
- **2023-02-24** Executive action taken in the House Committee on Appropriations at 9:00 AM.
- **2023-02-24** APP - Majority; 2nd substitute bill be substituted, do pass. `substitution`
- **2023-02-24** Minority; do not pass. `committee-passage-unfavorable`
- **2023-02-24** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-02-24** Referred to Rules 2 Review. `referral-committee`
- **2023-02-28** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2023-03-06** 2nd substitute bill substituted (APP 23). `substitution`
- **2023-03-06** Floor amendment(s) adopted.
- **2023-03-06** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-03-06** Third reading, passed; yeas, 75; nays, 21; absent, 0; excused, 2. `reading-3`
- **2023-03-08** First reading, referred to Housing. `reading-1`
- **2023-03-17** Public hearing in the Senate Committee on Housing at 10:30 AM.
- **2023-03-22** Executive action taken in the Senate Committee on Housing at 1:30 PM.
- **2023-03-22** HSG - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2023-03-22** Minority; do not pass. `committee-passage-unfavorable`
- **2023-03-22** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-03-22** And refer to Ways & Means. `referral-committee`
- **2023-03-24** Referred to Ways & Means. `referral-committee`
- **2023-03-31** Public hearing in the Senate Committee on Ways & Means at 12:45 PM.
- **2023-04-03** Executive action taken in the Senate Committee on Ways & Means at 10:00 AM.
- **2023-04-03** WM - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2023-04-03** Minority; do not pass. `committee-passage-unfavorable`
- **2023-04-03** Minority; without recommendation. `committee-passage-unfavorable`
- **2023-04-04** Passed to Rules Committee for second reading.
- **2023-04-05** Placed on second reading by Rules Committee. `reading-2`
- **2023-04-11** Committee amendment(s) adopted as amended.
- **2023-04-11** Rules suspended. Placed on Third Reading. `reading-3`
- **2023-04-11** Third reading, passed; yeas, 35; nays, 14; absent, 0; excused, 0. `reading-3`
- **2023-04-18** House concurred in Senate amendments.
- **2023-04-18** Passed final passage; yeas, 79; nays, 18; absent, 0; excused, 1. `passage`
- **2023-04-20** Speaker signed. `passage`
- **2023-04-20** President signed. `passage`
- **2023-04-21** Delivered to Governor. `executive-receipt`
- **2023-05-08** Governor signed. `executive-signature`
- **2023-05-08** Chapter 332, 2023 Laws. `became-law`
- **2023-05-08** 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/fec5d690-b840-494a-af94-9a0ffef2a20b`. Confidence: reported (aggregated from official Washington legislature records).