Solar permits

King County Solar Permit Activity

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

No solar permits were filed in King County during the latest period (through 2026-06-08), out of 63 total permits. Check the King County insights overview for the trades that are active right now.

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All King County permit insights Solar permits in every city

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Frequently asked questions

How active are solar permits in King County?

Permit Ledger tracks every solar building permit filed in King County each week and shows the count, the week-over-week trend, and solar permits' share of all King County permits — computed from PermitStack permit aggregation, never estimated.

Can I get King County solar contractor leads?

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

How often are King County solar permit numbers updated?

Weekly. Every solar figure on this page refreshes after each weekly pull from PermitStack permit aggregation.