Seattle, WA permit applications
Working in Seattle? Save your contractor license, insurance and bond details once, then produce a complete application for the next Seattle job — building, mechanical, re-roof or plumbing — in under a minute, plus the OSHA paperwork your crew needs on site.
Seattle permits by trade
Who pulls it, what the packet contains, and the inspection sequence — per trade.
What a Seattle permit costs
Estimate the fee by trade and job value before you sign the work, and see the lines crews forget to quote.
Seattle permit cost estimatorSeattle inspection sequence
The order of calls by trade, what each inspector checks, and the failure that sends crews back most often.
Seattle inspection guideDocuments Seattle contractors generate most
Who reviews the permit in Seattle
This city runs its own building department — confirm the property sits inside city limits before filing with the county instead.
Files with
Seattle Department of Construction and Inspections (SDCI)
Online portal: Seattle Services Portal
Washington State contractor registration with L&I is required.
Seattle layers its own energy and unreinforced-masonry seismic requirements on top of the state code.
Get the 2026 Seattle permit checklist
One page covering the forms, attachments and inspection sequence Seattle contractors get held up on.
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Filing checklist for Seattle
- Verify whether the property sits inside Seattle city limits or in unincorporated Washington — that determines which department accepts the application.
- Bring current general liability and workers' compensation certificates.
- Match declared valuation to the signed contract amount.
- Confirm whether the scope triggers a separate electrical, mechanical or plumbing permit pulled by a licensed sub.
- Schedule required inspections before covering any work.
General guidance for Seattle contractors, not legal advice. Confirm requirements and fees with the authority having jurisdiction.
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Seattle by trade
Nearby states