Building Codes

All are subject to Washington State amendments.

As of July 1, 2016, the following codes are in place:

See IMC Title 16.04 for City of Issaquah adopted codes and administrative amendments.

2015 International Building Code - WAC 51-50

2015 International Residential Code - WAC 51-51

2015 International Fire Code - WAC 51-54A

2015 International Mechanical Code - WAC 51-52

2015 International Fuel Gas Code - WAC 51-52

2014 Liquefied Petroleum Gas Code (NFPA 58) 

2015 Uniform Plumbing Code - WAC 51 –56 and WAC 51-57

2015 International Existing Building Code - WAC 51-50

2015 Washington State Energy code - WAC 51-11C and WAC 51-11R

2009 ICC A117.1 Accessible and Usable Building and Facilities

View the State Building Code Council's site.