King County Washington Building Inspection Planning Guide

King County building inspections for unincorporated-area permits are scheduled through MyBuildingPermit.com, with next-business-day requests generally needing to be entered before the county cutoff time.

Permit takeaway

King County inspects residential and commercial building projects under construction in unincorporated King County for compliance with county building codes.

Zoning and placement

Projects involving road, drainage, or site work may also need land-use inspection coordination before construction starts.

Building and trade review

Inspection scheduling and status checks are handled through MyBuildingPermit.com for permits issued there, while older or separate permit records may use the building tab search.

Call before applying when

Call before scheduling if the project includes drainage site work, right-of-way work, fire inspections, or if the permit was not issued through MyBuildingPermit.com.

Documents to prepare

• Permit number
• Approved plans
• Inspection type
• Site access instructions
• Contact phone number

Inspection planning

• Request inspections up to five days ahead
• Enter next-business-day requests before the posted cutoff
• Check inspection status online
• Keep work visible until approved
• Resolve correction notices before continuing

Official sources

• King County Building and Fire Inspections
• King County Land Use Inspections
• King County Permits

This guide is a planning summary. Always verify the current requirements with the local office before starting work.