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View Adopted Changes

The State Building Code Council has adopted the 2009 editions of the codes below, with the noted amendments. These codes will go into effect July 1, 2010, with the exception of the Washington State Energy Code.  Implementation of the WSEC has been postponed until October 29, 2010. 

The Washington State Ventilation and Indoor Air Quality Code has been repealed, as has the Washington State Historic Building Code. Provisions formerly found in the VIAQ are now located in the IRC, the IMC and the IBC as appropriate. The Historic Building Code has been replaced by the International Existing Buildings Code, as adopted and amended by WAC 51-50-480000. See the IBC for state amendments.

  • 2009 International Building Code
      
  • 2009 International Residential Code
      
  • 2009 International Mechanical Code
      
  • 2009 International Fire Code
      
  • 2009 Uniform Plumbing Code
      
  • Washington State Energy Code
      
 

 


propose a change in the code

 

    Final Cost Benefit Analyses:
   (Washington State Energy Code)

     Residential Analysis
     Non-Residential Analysis

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