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Get 50 Free King County, WA Building Permits

Permit records available from King County, WA’s official public source. Source freshness reference: 2026-10-18 — see the latest sample row date below. Contractor and owner fields appear only where the source publishes them. CSV file in your inbox in under 60 seconds.

Latest permit in your sample: 2026-10-19

Sample preview — first 5 of 50 records

DateContractorAddressType
2026-10-19 Hong, Zhechen None
Complex - Event 14
2026-10-19 — 238 S 108TH PL, SEATTLE WA 98168
Building Mechanical Residential
2026-10-19 — 2625 SW 104TH ST, SEATTLE WA 98146
Building Mechanical Residential
2026-10-18 chareunsap, Michael None
Complex - Event 15
2026-10-18 Washington Generators LLC 22118 SE 358TH ST WA 98092
32b. Propane/LPG (by Contractor) - Residential - without Plan Review*
Source-derived details: residential
••••-••-••XXXXXXXX XXXXXXXXXXXXX XXXX XX, King CountyXXXXXX XXXXXX
••••-••-••XXXXXXXX XXXXXXXXXXXXX XXXX XX, King CountyXXXXXX XXXXXX
••••-••-••XXXXXXXX XXXXXXXXXXXXX XXXX XX, King CountyXXXXXX XXXXXX
••••-••-••XXXXXXXX XXXXXXXXXXXXX XXXX XX, King CountyXXXXXX XXXXXX
••••-••-••XXXXXXXX XXXXXXXXXXXXX XXXX XX, King CountyXXXXXX XXXXXX
45 more permits hidden Enter your email to unlock the full list
Field coverage in this sample (50 records)
41/50
Contractor name
0/50
Business phone
11/50
Owner name
Counted on this exact sample. Coverage varies by city and record — not every field is published for every permit.
Data sourced directly from King County, WA’s official building permit feed. Source freshness reference: 2026-10-18. The freshness reference is not a cutoff for this sample. Each row shows its own date.

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  • Latest sample row: 2026-10-19.
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What the sample helps you evaluate

Review the public source date, project types, and source-derived scope where the permit text supports it before deciding whether permit research fits your workflow.

Who uses it

Roofers, HVAC techs, solar installers, plumbers, electricians, restoration contractors, and suppliers in King County, WA.

What's next

If the sample is useful, explore the available PermitGrab coverage for King County, WA and the markets you serve. Current plan terms are shown before checkout.

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