Building permits · May 2026

Lake County Building Permits

Monthly residential building permits for Lake County, Illinois 91 units authorized in May 2026, 975 over the last 12 months — latest month +8.3% vs. a year earlier.

91
Units (latest month)
43
Single-family units
48
Multifamily (5+) units
$49,681,401
Reported value
Trailing 12 months: 975 units permitted · latest month +8.3% vs. a year earlier.
Total units permitted, by monthDec 2024May 2026
Dec 2024May 2026
Structure typeUnitsShare
Single-family (1-unit)4347.3%
2-unit structures00.0%
3–4 unit structures00.0%
Multifamily (5+ units)4852.7%
All units91100%

Lake County building permits — FAQ

How many building permits were issued in Lake County?+

91 new residential units were authorized in Lake County, Illinois in May 2026, and 975 over the trailing 12 months (U.S. Census Building Permits Survey).

What share of Lake County permits are multifamily?+

52.7% of Lake County's May 2026 permitted units were in multifamily (2+ unit) buildings.

Where does this data come from?+

Figures come from the U.S. Census Bureau's Building Permits Survey, a monthly census of permit-issuing jurisdictions. PUMSdata is independent and not affiliated with the Census Bureau.