Solar permits

Cook County Solar Permit Activity

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

Cook County solar permit data is being assembled from PermitStack permit aggregation. Weekly solar permit counts, the week-over-week trend, and share of all Cook County permits will appear here as soon as the first official data lands.

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All Cook County permit insights Solar permits in every city

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Frequently asked questions

How active are solar permits in Cook County?

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

Can I get Cook 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 Cook County, refreshed weekly.

How often are Cook County solar permit numbers updated?

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