SHB 1353: Establishing a self-certification program for accessory dwelling unit project permit applications.
Signed into law: Chapter 22, Laws of 2025
- Sponsor
- Ramel
- Introduced
- January 16, 2025
- Status
- C 22 L 25
- Last action
- Effective date 7/27/2025. (April 7, 2025)
- As of
- October 16, 2026, 5:15 AM Pacific, from the Legislature’s records
What this bill does
Allows cities planning under the Growth Management Act to operate self-certification programs through which registered architects can certify compliance with applicable building codes for the construction or development of detached accessory dwelling units. Requires self-certification programs to adhere to rules adopted by the Department of Commerce (Department) and specifies minimum requirements that must be included in the rules. Requires the Department to create a standardized self-certification form for optional use by cities with self-certification programs. Provides reporting requirements for cities with self-certification programs, and requires the Department to annually post a summary of the reports online.
From the Washington State Legislature's nonpartisan staff bill analysis. Read the full analysis ↗
Floor votes
- House: 3rd Reading & Final Passage · March 4, 202594 yea · 1 nay · 3 not voting
- Senate: 3rd Reading & Final Passage · March 26, 202549 yea · 0 nay
Track SHB 1353 on OlympiaTrack
A free account adds the full hearing and amendment record, who testified, roll calls by member, and a list to track it on. Paid plans add a plain-English AI summary and email alerts when this bill moves.
Create a free accountOther bills sponsored by Ramel
- HB 1494: Concerning the property tax exemptions for new and rehabilitated multiple-unit dwellings in urban centers.
- 2SHB 1514: Encouraging the deployment of low carbon thermal energy networks.
- E3SHB 1960: Encouraging renewable energy in Washington through tax policy and investment in local communities.
- SHB 2084: Increasing funding for K-12, health care, and public safety by repealing or modifying tax preferences for certain industries and goods.
All 2025-26 Washington State bills →
Source: the Washington State Legislature. OlympiaTrack is an independent bill-tracking service and is not affiliated with the Legislature. View on leg.wa.gov ↗