Due to recent interim regulations implementing state legislation (effective July 2025) and pending changes to the Design Review program and the local codes implementing State Environmental Policy Act (SEPA) requirements, SDCI's Tips, Director's Rules, and other guidance documents may not reflect the most current regulations or requirements. To ensure accuracy and applicability to specific code questions or permit applications, please contact us through our Send Us a Question website.

Tips

Summary: This Tip summarizes the Seattle Department of Construction and Inspection requirements for mechanical permits requiring plan review. Permit applicants are encouraged to read this document before submitting an application, as the plans and information detailed in this Tip are required.

Date Revised: 06/26/2024

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