Due to impacts of COVID-19 on our state, Governor Inslee has proclaimed a delay in implementation of the 2018 Washington State Building Code. The implementation date was previously 7/1/2020, but has been changed to 11/1/2020. Read Governor Inslee’s proclamation, here
As announced in late March, Seattle has also delayed the planned adoption of its 2018 Codes until 11/1/2020, or the effective date of the 2018 Washington State codes, whichever is later.