King County, WA building permits

516 permits issued in King County in the last 30 days, 169 of them in the last week. Newest on record: Oct 3, 2026.

Permits by week

  • Sep 8 to Sep 140
  • Sep 15 to Sep 21149
  • Sep 22 to Sep 28198
  • Sep 29 to Oct 5169

Work by trade

Permits from the last 30 days that PourWatch would show as a lead for each trade. One permit can count for more than one trade.

  • Plumbing413
  • Pest & termite274
  • Framing & carpentry274
  • General contractor274
  • HVAC146
  • Roofing67
  • Electrical67
  • Concrete & foundation33
  • Landscape & irrigation33

Most common permit types

  • Oss Repair Or Modification Permit4
  • Complex - Event 16+2
  • 08. Plumbing - Demolition Or Removal - Plumbing Demolition1
  • 52a. Laboratory Gas - With Plan Review* - Lab Gas1
  • Complex - Event 081

Get these as leads every morning

PourWatch shows you the address, what's being built and the contractor of record for every new permit in King County, scored for your trade, so you can call before the job gets shopped around.

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Nearby cities

Source: public building permit records published by King County. Counts are for permits issued in the last 30 days and refresh daily. Coverage and data quality depend on what the jurisdiction publishes.