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WashingtonHB 21512025-2026 Regular SessionHouseWALLET

Adopting national standards for factory built housing and commercial structures.

Sponsored By: Deb Manjarrez (Republican)

Became Law

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Bill Overview

Analyzed Economic Effects

4 provisions identified: 1 benefits, 0 costs, 3 mixed.

Utility equipment enclosures are exempt

Prefabricated enclosures for energy storage or electrical gear do not need department approval if an electric utility owns and exclusively controls them. Entry must be limited to qualified service staff for maintenance, repair, or occasional checks. The enclosures cannot be occupied for other purposes. This speeds utility equipment deployment.

State approval and tag for factory-built units

Beginning June 11, 2026, you cannot install a factory-built home or commercial unit without Department of Labor and Industries approval and its insignia. Any change to an approved unit before or during installation also needs department approval. A unit with the department’s insignia is deemed to meet local manufacturing and construction rules. This can reduce duplicate local reviews but adds state approval steps and costs.

Uniform off-site building standards and inspection options

The department aligns rules for factory-built housing and commercial structures with national off-site construction standards. It uses model building, plumbing, mechanical, energy, barrier-free, and electrical codes, and the temporary worker building code when it applies. The department may delegate inspections and can approve qualified, independent inspection agencies with certified staff; International Code Council certification counts. The director may allow plan approval based on an out-of-state professional’s certification if that state’s licensing meets or exceeds Washington’s. Clear definitions spell out which units and agencies are covered.

Fees for approvals, with emergency waivers

The Department of Labor and Industries sets fees to cover the costs of running and enforcing this program. Regulated businesses, like manufacturers and installers, pay these fees and may pass them to customers. During a declared state of emergency, the governor may suspend these fees and issue orders to support operations and public safety.

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Sponsors & Cosponsors

Sponsor

  • Deb Manjarrez

    Republican • House

Cosponsors

  • Alex Ramel

    Democratic • House

  • Beth Doglio

    Democratic • House

  • Brandy Donaghy

    Democratic • House

  • Brianna Thomas

    Democratic • House

  • Cindy Ryu

    Democratic • House

  • Davina Duerr

    Democratic • House

  • Janice Zahn

    Democratic • House

  • Jenny Graham

    Republican • House

  • Mia Gregerson

    Democratic • House

  • Sam Low

    Republican • House

  • Sharon Wylie

    Democratic • House

  • Strom Peterson

    Democratic • House

  • Timm Ormsby

    Democratic • House

Roll Call Votes

All Roll Calls

Yes: 144 • No: 0

Senate vote • 2/28/2026

3rd Reading & Final Passage

Yes: 49 • No: 0

House vote • 2/11/2026

3rd Reading & Final Passage

Yes: 95 • No: 0 • Other: 3

Actions Timeline

  1. Effective date 6/11/2026.

    3/9/2026House

  2. Chapter 3, 2026 Laws.

    3/9/2026House

  3. Governor signed.

    3/9/2026legislature

  4. Delivered to Governor.

    3/3/2026legislature

  5. Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0.

    2/28/2026House

  6. Rules suspended. Placed on Third Reading.

    2/28/2026House

  7. Speaker signed.

    2/28/2026legislature

  8. President signed.

    2/28/2026legislature

  9. Placed on second reading by Rules Committee.

    2/24/2026House

  10. Passed to Rules Committee for second reading.

    2/23/2026House

  11. Minority; without recommendation.

    2/20/2026House

  12. LC - Majority; do pass.

    2/20/2026House

  13. First reading, referred to Labor & Commerce.

    2/13/2026House

  14. Third reading, passed; yeas, 95; nays, 0; absent, 0; excused, 3.

    2/11/2026House

  15. Rules suspended. Placed on Third Reading.

    2/11/2026House

  16. 1st substitute bill substituted.

    2/11/2026House

  17. Rules Committee relieved of further consideration. Placed on second reading.

    2/6/2026House

  18. Referred to Rules 2 Review.

    1/27/2026House

  19. LAWS - Executive action taken by committee.

    1/23/2026House

  20. LAWS - Majority; 1st substitute bill be substituted, do pass.

    1/23/2026House

  21. First reading, referred to Labor & Workplace Standards.

    1/12/2026House

  22. Prefiled for introduction.

    12/16/2025House

Bill Text

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