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Bill > SB5552

WA SB5552

WA SB5552
Concerning the creation of building codes for kit homes.

summary

Introduced
01/28/2025
In Committee
02/23/2026
Crossed Over
03/04/2025
Passed
Dead

Introduced Session

Potential new amendment
2025-2026 Regular Session

Bill Summary

AN ACT Relating to the creation of building codes for kit homes; 2 reenacting and amending RCW 19.27.015; adding a new section to 3 chapter 19.27 RCW; and creating a new section. 4

AI Summary

This bill establishes a new category of building codes specifically for "kit homes," which are defined as residential structures made of prefabricated walls, floors, and roofs that are assembled on-site and are 800 square feet or smaller. The legislature's intent in creating these codes is to address the rising cost of housing and make smaller homes more affordable for more people. The bill also instructs the State Building Code Council to develop and adopt rules for these kit home building codes by March 31, 2027, and allows the council to update these codes as needed.

Committee Categories

Government Affairs

Sponsors (21)

Last Action

Rules Committee relieved of further consideration. Placed on second reading. (on 02/25/2026)

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bill summary

Document Type Source Location
State Bill Page https://app.leg.wa.gov/billsummary?BillNumber=5552&Year=2025&Initiative=false
Engrossed substitute House bill report https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/House/5552-S.E%20HBR%20LG%2026.pdf
Fiscal Note - 5552 ESSB (Final) https://fnspublic.ofm.wa.gov/FNSPublicSearch/GetPDF?packageID=77029
Engrossed substitute House bill analysis 2026 https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/House/5552-S.E%20HBA%20LG%2026.pdf
Fiscal Note - 5552 SB (Final) https://fnspublic.ofm.wa.gov/FNSPublicSearch/GetPDF?packageID=73261
Engrossed substitute Senate bill report https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/Senate/5552-S.E%20SBR%20APS%2026.pdf
BillText https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bills/Senate%20Bills/5552-S.E.pdf
Wilson, J. 5552-S AMS WILJ S3942.2 https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Amendments/Senate/5552-S%20AMS%20WILJ%20S3942.2.pdf
Substitute Senate bill report https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/Senate/5552-S%20SBR%203RD%2026.pdf
Duerr 5552-S AMH DUER WRIK 408 https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Amendments/House/5552-S%20AMH%20DUER%20WRIK%20408.pdf
Local Government 5552-S AMH LG H2113.1 https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Amendments/House/5552-S%20AMH%20LG%20H2113.1.pdf
Substitute House Bill Report https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/House/5552-S%20HBR%20LG%2025.pdf
Substitute House Bill Analysis 2025 https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/House/5552-S%20HBA%20LG%2025.pdf
Substitute Senate Bill Report https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/Senate/5552-S%20SBR%20APS%2025.pdf
BillText https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bills/Senate%20Bills/5552-S.pdf
Senate Bill Report https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/Senate/5552%20SBR%20LGV%20OC%2025.pdf
Senate Bill Report https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/Senate/5552%20SBR%20LGV%20TA%2025.pdf
Senate Bill Report (Orig.) https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bill%20Reports/Senate/5552%20SBA%20LGV%2025.pdf
BillText https://lawfilesext.leg.wa.gov/biennium/2025-26/Pdf/Bills/Senate%20Bills/5552.pdf
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