The newest version of LEED, LEED v4, went into effect in December 2013. Until June of 2015, you can choose to submit projects under LEED 2009 or LEED v4. LEED… read more →
The 2012 Washington Energy Code, based on the 2012 International Energy Conservation Code, went into effect July 1, 2013. It is up to individual jurisdictions to decide when to start… read more →
