The City of Edmonds has adopted the 2009 International Codes as amended by the State of Washington, which include:

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

Additionally the City has adopted:

2009 International Existing Buildings Code
2009 International Property Maintenance Code
2009 International Code Council Performance Code

Design Criteria for City of Edmonds

Ground Snow Load          25 psf
Seismic Design               Category D
Wind Speed                   85 mph
Wind Exposure               B,C & D (varies with location contact plan review staff)
Winter Design Temp       27 degrees F  (-3 degree C)
Mean Annual Temp         50 degrees F  (10 degree C)