The building codes of Washington adopt the the 2018 Washington State Building Code, 2018 Washington State Residential Code, 2018 Washington State Existing Building Code, 2018 Washington State Fire Code, 2018 Washington State Mechanical Code, International Fuel Gas Code 2018 (IFGC 2018), 2018 Washington State Energy Code - Commercial Provisions, 2018 Washington State Energy Code - Residential Provisions, 2018 Washington State Wildland-Urban Interface Code, International Swimming Pool and Spa Code 2018 (ISPSC 2018), Accessible and Usable Buildings and Facilities, 2009, Standard for the Installation of Sprinkler Systems, 2016, National Electrical Code, 2020, National Fire Alarm and Signaling Code, 2016, Uniform Plumbing Code 2018, Safety Code for Elevators and Escalators, 2016, and the Building Code Requirements for Structural Concrete 2014.
Washington State Building Code Council
Address: 1500 Jefferson Avenue SE, Washington
P.O. Box: 41449 Olympia, Washington 98504-1449
Washington State Patrol
State Fire Marshal's Office
Address: Helen Sommers Building, 106 11th Ave. SW, Olympia, WA 98501
Phone: (360) 596-3900