Plumbing permits

Plumbing Permits in King County

Free weekly plumbing building-permit activity for King County, WA, computed from official city permit portals.

Plumbing permits this period
159
Share of all permits
65.4%
Trend
-17% week-over-week

Weekly plumbing trend: May 18: 49 · May 25: 30 · Jun 1: 41 · Jun 8: 46 · Jun 15: 69 · Jun 22: 44 · Jun 29: 21 · Jul 6: 40 · Jul 13: 43 · Jul 20: 35 · Jul 27: 40 · Aug 3: 40

Latest period through 2026-08-09, vs. 192 in the prior period, out of 243 total King County permits.

Subscribers also unlock the top ZIP codes and the most-active plumbing contractors for King County, see the $39/mo dashboard.

Other trades in King County

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All King County permit insights Plumbing permits in every city

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Frequently asked questions

How active are plumbing permits in King County?

Permit Ledger tracks every plumbing building permit filed in King County each week and shows the count, the week-over-week trend, and plumbing permits' share of all King County permits, computed from official city permit portals, never estimated.

Can I get King County plumbing contractor leads?

The free view shows plumbing permit volume and trend. The $39/mo dashboard adds the top ZIP codes and the most-active plumbing contractors in King County, refreshed weekly.

How often are King County plumbing permit numbers updated?

Weekly. Every plumbing figure on this page refreshes after each weekly pull from official city permit portals.