Solar permits

Solar Permits in Lake County

Free weekly solar building-permit activity for Lake County, IL, computed from official city permit portals.

Solar permits this period

Share of all permits

10.0%

Trend

-20% week-over-week

Weekly solar trend: May 9: 5 · May 16: 4 · May 23: 2 · May 30: 6 · Jun 6: 4 · Jun 13: 0 · Jun 20: 7 · Jun 27: 6 · Jul 4: 2 · Jul 11: 4 · Jul 18: 7 · Jul 25: 0

Latest period through 2026-07-31, vs. 20 in the prior period, out of 160 total Lake County permits.

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

Other trades in Lake County

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Frequently asked questions

How active are solar permits in Lake County?

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

Can I get Lake 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 Lake County, refreshed weekly.

How often are Lake County solar permit numbers updated?

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