---
type: "Bill"
title: "Concerning tiny houses."
description: "Concerning tiny houses."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2019-2020"
identifier: "SB 5383"
citation: "Washington SB 5383 (2019-2020)"
classification: ["bill"]
subjects: ["BUILDING CODES AND PERMITS", "HOMES AND HOUSING", "SUBDIVISIONS"]
status: "enacted"
primary_sponsors: ["Zeiger"]
version_count: 3
action_count: 31
vote_count: 3
first_action: "2019-01-18"
last_action: "2019-05-09"
source: "openstates"
source_identifier: "ocd-bill/f2553993-6e74-4ab8-bd1f-3a6073f10777"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5383&year=2019"
source_hash: "6af437056edd216f3c24b0e1a31e493012e687d728062f4d113fd271f8ca83db"
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 5383 (2019-2020) — Concerning tiny houses.

## 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/2019-20/Htm/Bills/Senate%20Bills/5383.htm)
2. **Engrossed Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/Senate%20Bills/5383-S.E.htm)
3. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/Senate%20Bills/5383-S.htm)

## Votes

- Final Passage as Amended by the House (#14) — **95–0** (pass) · lower
- Final Passage as Amended by the House (#3) — **41–1** (pass) · upper
- 3rd Reading & Final Passage (#17) — **44–2** (pass) · upper

## Sponsors

- Zeiger — primary (person)
- Nguyen — cosponsor (person)
- Palumbo — cosponsor (person)
- Short — cosponsor (person)
- Van De Wege — cosponsor (person)
- Wilson, C. — cosponsor (person)
- Wilson, L. — cosponsor (person)

## Timeline

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

- **2019-01-18** First reading, referred to Housing Stability & Affordability. `reading-1`
- **2019-02-13** HSA - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2019-02-14** Passed to Rules Committee for second reading.
- **2019-02-19** Placed on second reading by Rules Committee.
- **2019-03-06** 1st substitute bill substituted. `substitution`
- **2019-02-13** HSA - Majority; 1st substitute bill be substituted, do pass. `passage`
- **2019-02-14** Passed to Rules Committee for second reading.
- **2019-02-19** Placed on second reading by Rules Committee.
- **2019-03-06** 1st substitute bill substituted. `substitution`
- **2019-03-06** Floor amendment(s) adopted.
- **2019-03-06** Rules suspended. Placed on Third Reading.
- **2019-03-06** Third reading, passed; yeas, 44; nays, 2; absent, 0; excused, 3. `reading-3`
- **2019-03-08** First reading, referred to Local Government. `reading-1`
- **2019-04-02** LG - Majority; do pass with amendment(s).
- **2019-04-03** Referred to Rules 2 Review.
- **2019-04-09** Rules Committee relieved of further consideration. Placed on second reading.
- **2019-04-10** Committee recommendations adopted and the bill amended.
- **2019-04-10** Rules suspended. Placed on Third Reading.
- **2019-04-10** Third reading, passed; yeas, 95; nays, 0; absent, 0; excused, 3. `reading-3`
- **2019-04-22** Senate concurred in House amendments.
- **2019-04-22** Passed final passage; yeas, 41; nays, 1; absent, 0; excused, 7. `passage`
- **2019-04-23** President signed. `passage`
- **2019-04-24** Speaker signed. `passage`
- **2019-04-25** Delivered to Governor.
- **2019-05-09** Governor signed. `executive-signature`
- **2019-05-09** Chapter 352, 2019 Laws. `became-law`
- **2019-05-09** Effective date 7/28/2019. `became-law`
- **2019-02-06T18:30:00+00:00** Scheduled for public hearing in the Senate Committee on Housing Stability & Affordability at 01:30 PM
- **2019-02-13T22:30:00+00:00** Scheduled for public hearing in the Senate Committee on Housing Stability & Affordability at 05:30 PM
- **2019-03-19T14:00:00+00:00** Scheduled for public hearing in the House Committee on Local Government at 10:00 AM
- **2019-04-02T14:00:00+00:00** Scheduled for public hearing in the House Committee on Local Government at 10:00 AM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f2553993-6e74-4ab8-bd1f-3a6073f10777`. Confidence: reported (aggregated from official Washington legislature records).