The 2012 Seattle building, energy, residential, mechanical, fuel gas, existing building, plumbing and fire codes were approved by the City Council on September 16. The 60-day transition period ends late this month. Your permit application must use the 2012 codes starting on the dates listed below.
2012 Codes | Mandatory Use Date |
Building, Plumbing, Mechanical, and Fuel Gas codes | Thursday, 12/26/13 |
Residential, Existing Building, Fire, and Energy codes | Friday, 12/27/13 |
We expect the code books to start arriving the first week of December. Some codes may be available in mid-December; Energy Code will take longer. If you want to be notified when the code books are available, you can subscribe to our technical codes mailing list on our web page, http://www.seattle.gov/dpd/codesrules/codes/building/, or check the Building Code Update page on our website http://www.seattle.gov/dpd/
codesrules/changestocode/BuildingCodeUpdate/whatwhy/.