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SDCI Closures, Service Updates, and Inspection Requirements

SDCI customer service areas remain closed until further notice and continue offering services online. King County has approval from the State Department of Health to allow all private construction activities that are low-risk and adhere to strict COVID 19 Job site Requirements. The City of Seattle has issued requirements for construction projects seeking inspections. The City WILL NOT INSPECT any site that does not follow these requirements.


Summary: Buildings in Seattle that undergo substantial alterations or repairs are subject to Section 3404.9 of the Seattle Building Code (SBC), which defines and lists the special requirements that apply. This Tip is intended to clarify the definitions of substantial alteration and provide guidance in how the Department of Planning and Development (DPD) applies Section 3404.9

Date Revised: 03/23/2015

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