Factory-Assembled Structures

The Washington Administrative Code (WAC) or Revised Code of Washington (RCW) are maintained and updated by the State Office of the Code Reviser. If you receive an error message when referencing a link to a specific section of a WAC or RCW, try your search here.


Revised Code of Washington (RCW)

RCW 43.22 - Department of Labor & Industries

RCW 43.22A – Mobile and Manufactured Home Installation

Code of Federal Regulations

Title 24 Code of Federal Regulations (CFR) 3280


Washington Administrative Code (WACs)

  • Commercial Coaches - WAC 296-150C
  • Factory-Built Housing and Commercial Structures - WAC 296-150F
  • Manufactured Homes - WAC 296-150M
  • Manuafactured Home Installer Certification – WAC 296-150I
  • Recreational Park Trailers - WAC 296-150P
  • Recreational Vehicles - WAC 296-150R
  • Factory Built Temporary Worker Housing Structures - WAC 296-150T
  • Concession Units and Medical Units -  WAC 296-150V
  • Temporary Worker Housing Construction Standard - WAC 246-359

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