King County, WA building permits & builders
Live single-family residential permit data and the top licensed home builders in King County, Washington. Updated weekly from US Census Bureau Building Permits Survey + county public records.
12-month permit trend
Monthly single-family permit volume in King County over the last 12 months. Source: US Census Bureau Building Permits Survey.
Top home builders in King County
The most active builders pulling residential permits in King County, Washington.
- Greenbuild Development LLC7 permits
- Matt Sullivan4 permits
- Chain Construction3 permits
- WG Clark Construction2 permits
- SKYWAY GENERAL CONTRACTOR2 permits
- Oscar Villa2 permits
About King County for trades & suppliers
King County, Washington is one of 3,022 US counties tracked by PermitFocus. With 2,746 new single-family permits issued in the last 12 months, the county represents an active market for lumber yards, roofing contractors, HVAC installers, plumbing, concrete, doors and windows, paint, flooring, and other trades that follow new residential construction.
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Frequently asked questions
How many building permits were issued in King County, Washington?
2,746 new single-family residential building permits were issued in King County over the last 12 months (1.22 per 1,000 residents), according to the US Census Bureau Building Permits Survey. PermitFocus updates this figure weekly.
Who are the top home builders in King County?
The most active home builders pulling residential permits in King County include Greenbuild Development LLC, Matt Sullivan, Chain Construction. See the full ranked builder list above.
Where can I get new-construction permit data for King County?
PermitFocus provides live single-family permit counts, ranked builder activity, subdivision records, and a drive-time market analyzer for King County and 3,000+ US counties. Start a free 7-day trial to open the full King County dashboard.
Is King County a good market for lumber and building-materials suppliers?
With 2,746 new single-family permits in the last 12 months (1.22 per 1,000 residents), King County is an active market for lumber yards, roofing, HVAC, plumbing, concrete, and other trades that follow new residential construction. PermitFocus ranks builder activity so suppliers can prioritize outreach.
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