ESSB 5552 — Concerning the creation of building codes for kit homes.

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, 2026
  93 yea · 0 nay · 5 not voting
• Senate — 3rd Reading & Final Passage · March 4, 2025
  49 yea · 0 nay
• Senate — 3rd Reading & Final Passage · January 21, 2026
  49 yea · 0 nay

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Other bills sponsored by Wilson, J.

• SB 5000 — Adopting the evergreen state as the state nickname.
• SSB 5033 — Concerning sampling or testing of biosolids for PFAS chemicals.
• SB 5046 — Designating kimchi day.
• SSB 5049 — Concerning the public records exemptions accountability committee.
• SSB 5249 — Concerning siting kit homes.