Facility Site Polygons

**Download In State Plane Projection Here. **

Landmark (Facility Site) point and polygons utilize the Esri Local Government Information model to structure the attribute data. Polygon features are mapped by tax parcel with updates occurring on a weekly basis as either parcel or feature changes are detected.

**Update Frequency:
**This dataset is updated on a weekly basis.
Organization: Lake County, Illinois
Organization URL: https://catalog.data.gov/organization/lake-county-il
Last updated: 2026-05-10T11:17:10.048Z
Tags: Commercial and Retail, Education, Emergency Response and Law Enforcement, Facility Sites, Government and Military, Health and Medical, Health spatial data, Lake County Illinois, Landmarks, Mail and Shipping, Planimetrics and Landmarks, Public Attractions and Landmark Buildings, Tax Parcel Boundaries spatial data, Transportation Facilities, Transportation spatial data, Water Supply and Treatment, planimetrics and landmarks Spatial Data