Free weekly building-permit insights for Lake County, IL, computed from official city permit portals, 160 permits filed in the latest period (through 2026-07-31), with the week-over-week trend and the busiest renovation, solar, pool, and remodel categories.
Updated weekly · latest data through 2026-07-31
Permits this period
160
Trades tracked
6
Period ending
2026-07-31
Weekly trend: May 9: 42 · May 16: 39 · May 23: 48 · May 30: 44 · Jun 6: 50 · Jun 13: 23 · Jun 20: 67 · Jun 27: 36 · Jul 4: 35 · Jul 11: 42 · Jul 18: 35 · Jul 25: 35
How often is Lake County building permit data updated?
Weekly. Permit Ledger pulls Lake County's building permits from official city permit portals every week, then recomputes the total filed, the week-over-week trend, and the busiest permit and trade categories.
Is Lake County building permit data free?
Yes. The weekly Lake County overview is free to browse, total permits filed, the trend, and the top permit and trade types. The $39/mo dashboard adds the top ZIP codes, the most-active contractors, and a Monday email.
What types of permits does Permit Ledger track in Lake County?
Renovation, remodel, addition, and repair permits, plus solar and pool/spa trade permits. Each permit is classified into a single clear category, so you can scan the residential and trade work most useful to contractors, suppliers, and investors.
Where does Lake County's permit data come from?
Official public records from official city permit portals, normalized into one consistent weekly format so every city reads the same way.