---
type: "Bill"
title: "Establishing a self-certification program for accessory dwelling unit project permit applications."
description: "Establishing a self-certification program for accessory dwelling unit project permit applications."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2025-2026"
identifier: "HB 1353"
citation: "Washington HB 1353 (2025-2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Ramel"]
version_count: 3
action_count: 23
vote_count: 2
first_action: "2025-01-16"
last_action: "2025-04-07"
source: "openstates"
source_identifier: "ocd-bill/76a0f079-0b45-4edd-8479-8330d79141a9"
source_url: "https://app.leg.wa.gov/billsummary/?BillNumber=1353&Year=2025&Initiative=false"
source_hash: "8cb9f1df9cb85c66752693555a0756ac8776ba455903089901580e602077d871"
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 1353 (2025-2026) — Establishing a self-certification program for accessory dwelling unit project permit applications.

## 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/1353.htm)
2. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Bills/1353-S.htm)
3. **Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2025-26/Htm/Bills/House%20Passed%20Legislature/1353-S.PL.htm)

## Votes

- 3rd Reading & Final Passage (#23) — **49–0** (pass) · upper
- 3rd Reading & Final Passage (#25) — **94–1** (pass) · lower

## Sponsors

- Ramel — primary (person)
- Doglio — cosponsor (person)
- Duerr — cosponsor (person)
- Nance — cosponsor (person)
- Reed — cosponsor (person)

## Timeline

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

- **2025-01-16** First reading, referred to Local Government. `reading-1`
- **2025-02-04** Public hearing in the House Committee on Local Government at 10:30 AM.
- **2025-02-12** Executive action taken in the House Committee on Local Government at 8:00 AM.
- **2025-02-12** LG - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2025-02-13** Referred to Rules 2 Review. `referral-committee`
- **2025-02-28** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2025-03-04** 1st substitute bill substituted (LG 25). `substitution`
- **2025-03-04** Rules suspended. Placed on Third Reading. `reading-3`
- **2025-03-04** Third reading, passed; yeas, 94; nays, 1; absent, 0; excused, 3. `reading-3`
- **2025-03-06** First reading, referred to Housing. `reading-1`
- **2025-03-14** Public hearing in the Senate Committee on Housing at 10:30 AM.
- **2025-03-19** Executive action taken in the Senate Committee on Housing at 1:30 PM.
- **2025-03-19** HSG - Majority; do pass. `committee-passage-favorable`
- **2025-03-20** Passed to Rules Committee for second reading.
- **2025-03-21** Placed on second reading by Rules Committee. `reading-2`
- **2025-03-26** Rules suspended. Placed on Third Reading. `reading-3`
- **2025-03-26** Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0. `reading-3`
- **2025-03-31** Speaker signed. `passage`
- **2025-03-31** President signed. `passage`
- **2025-04-02** Delivered to Governor. `executive-receipt`
- **2025-04-07** Governor signed. `executive-signature`
- **2025-04-07** Chapter 22, 2025 Laws. `became-law`
- **2025-04-07** Effective date 7/27/2025. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/76a0f079-0b45-4edd-8479-8330d79141a9`. Confidence: reported (aggregated from official Washington legislature records).