King County Dept of Local Services & SDCI
Official building department contact workstation for King County, Washington. Phone lines, online plan submittal portals, and physical office address.
🏛️ Office Address & Contact
⏱️ SLA & Plan Review Specifications
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Navigating Submittals & Plan Check Reviews at King County Dept of Local Services & SDCI
The King County Dept of Local Services & SDCI serves as the primary municipal Authority Having Jurisdiction (AHJ) for structural, electrical, plumbing, and mechanical code compliance across King County, Washington. The department oversees plan review intake, issues official building permits, and conducts mandatory field inspections for all residential and commercial construction under King County Code Title 27.
To avoid submittal rejections or intake delays, contractors and architects submitting plans to King County Dept of Local Services & SDCI must ensure that all submittals comply with enforced code standards (2021 Washington State Energy Code (WSEC).) and include all required PE/RA engineering stamps, site utilities details, and contractor license filings.
King County Dept of Local Services & SDCI utilizes electronic plan review (EPR) portals for digital submittal of vector PDF plan sets, structural engineering calculations, and COMcheck energy compliance reports. Ensure all sheets are unlocked and oriented correctly prior to uploading.
Field inspections must be scheduled at least 24 hours in advance by contacting the automated inspection hotline at (206) 296-6600 or through the online portal. Approved job-site plans and permit inspection cards must be physically posted on-site at all times.