Plumbing permits

King County Plumbing Permit Activity

Free weekly plumbing building-permit insights for King County, WA — plumbing permits filed, week-over-week trend, and share of all permits, computed from PermitStack permit aggregation.

Plumbing permits this period
61
Share of all permits
96.8%
Trend
new activity this period

Weekly plumbing trend: May 19: 7 · May 26: 23 · Jun 2: 31

Latest period through 2026-06-08, out of 63 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 PermitStack permit aggregation, 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 PermitStack permit aggregation.