- Parcels
- 278,809
- County FIPS
- 17097
- Snapshot
- October 30, 2026
What property data is available for Lake County?
| Dataset | Lake County |
|---|---|
| Parcel boundaries | 278,809 parcels |
| Tax assessor records | 278,655 records (100% of parcels) |
| Owner name and mailing address | 100% of assessor records |
| Market or assessed value | 0% of assessor records |
| Year built | 78% of assessor records |
| Last sale date | 81% of assessor records |
| Building permits | 1,879 permits since 2026, latest October 28, 2026 |
| Roofing permits | 11 |
| Zoning | 13 zoning jurisdictions |
| Buildable-area screens | Yes |
| Historic designations | 98 |
| Adopted building codes | 3 jurisdictions |
| Hail history (radar) | Yes, every county in the contiguous US |
How do I query Lake County property data?
Bulk-search every parcel in the county with `search_properties` using `state: "IL"` and `county: "097"` (the county FIPS code 17097), or look up one address with `search_parcels`. Check any single property for free with `check_availability`.
{
"name": "count_properties",
"arguments": { "state": "IL", "county": "097" }
}Frequently asked questions
How do I find who owns a property in Lake County?
Search the address on the Lake County assessor's website, or query Parceled's `search_parcels` for owner name and mailing address. See how to find a property owner by address.