Senate2025-26 sessionFiscal note
ESSB 5552: Concerning the creation of building codes for kit homes.
Signed into law: Chapter 41, Laws of 2026
- Sponsor
- Wilson, J.
- Introduced
- January 28, 2025
- Status
- C 41 L 26
- Last action
- Effective date 6/11/2026. (March 14, 2026)
- As of
- October 16, 2026, 5:15 AM Pacific, from the Legislature’s records
What this bill does
Requires the State Building Code Council to conduct rulemaking on the portions of the State Building Code applicable to kit homes by December 31, 2025.
From the Washington State Legislature's nonpartisan staff bill analysis. Read the full analysis ↗
Floor votes
- House: 3rd Reading & Final Passage · March 3, 202693 yea · 0 nay · 5 not voting
- Senate: 3rd Reading & Final Passage · March 4, 202549 yea · 0 nay
- Senate: 3rd Reading & Final Passage · January 21, 202649 yea · 0 nay
Track ESSB 5552 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 Wilson, J.
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 ↗