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Solar Permits

Solar Permits in Lake County, IL

Access real-time solar permit data from Lake County, IL. Every residential and commercial solar installation requires a permit, making this dataset the most reliable leading indicator of solar activity in Lake County, IL.

1,142
Total Permits
131
Last 12 Months
19
Last 30 Days
$33K
Avg Value

Recent Solar Permits in Lake County, IL

Showing the 10 most recent solar permits issued in Lake County, IL. Access all 131 permits from the last year via the API.

IssuedAddressValueStatusContractor
2026-08-06 24625 HIGHWOODS FILED
2026-08-05 28811 MADISON FILED
2026-08-04 18788 MAPLE FILED
2026-08-04 25251 TIMBER FILED
2026-08-04 25285 COLUMBIA BAY FILED
2026-08-03 23039 HIGH RIDGE FILED
2026-08-03 24686 MIDDLE FORK FILED
2026-07-23 27884 LAKE SHORE $21K FILED Sunrun Installation Services,
2026-07-23 21021 21ST $32K FILED THE CORTESE ENERGY COMPANY LLC
2026-07-23 35194 THOMPSON $8K FILED FRESH COAST SOLAR

Who Uses Lake County, IL Solar Permits Data?

Customer profile: solar installers, clean energy contractors, and solar sales teams.

Find homeowners who just permitted a solar installation for follow-up services, battery upgrades, or related work. Track local competitor activity and identify underserved zip codes.

API Example

Query Lake County, IL solar permits directly with a single HTTP call:

curl "https://api.permit-stack.com/v1/permits/search?city=Lake%20County&state=IL&category=SOLAR" \
  -H "X-API-Key: pk_your_key"

Or use the official Python SDK: pip install permitstack

Related Lake County, IL Permit Data

Frequently Asked Questions

How often is Lake County, IL solar permits data updated?

PermitStack ingests permits from Lake County, IL's official open data portal daily at 3 AM UTC. Most solar permits appear within 24-48 hours of issuance.

Can I filter by zip code, date range, or contractor?

Yes. The API supports filtering by zip code, date range, contractor name, estimated value, and more. See the full API documentation for query parameters.

Is solar permits data in Lake County, IL public record?

Yes. Building permits including solar permits are public records maintained by Lake County, IL's building department. PermitStack normalizes this open data into a clean, consistent API.

Who uses Lake County, IL solar permits data?

Our customers include solar installers, clean energy contractors, and solar sales teams. Find homeowners who just permitted a solar installation for follow-up services, battery upgrades, or related work. Track local competitor activity and identify underserved zip codes.

Solar contractor in Lake County, IL? Turn these permits into jobs.

Every new solar permit in your territory, delivered as a fresh, exclusive lead — owner of record, mailing address, and project value included where available. The replacement-age lead option covers every home in Lake County, IL with solar systems 10–20 years old (inverter/repower age) and no newer permit since — exclusively yours in the ZIPs you claim.

Own your ZIP’s permit leads — from $79/mo →

Get API access to Lake County, IL solar permits

Free tier includes 100 requests/day. Get up and running in under 5 minutes.

View pricing →

Data source: Official Lake County, IL open data portal. Last updated: 2026-08-06.