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Lake County · property records

Lake County property records & parcel data.

Look up property records in Lake County, IL — find who owns a property, plus mailing address, assessor & tax value, land use and APN. tracts pulls 278,617 parcels directly from the Lake County parcel layer, with the source and pull date stamped on every record. Search a live sample below, or get the full Lake County dataset as a bulk file or API feed.

Or ask our research agent about Lake County.

Tax-delinquent list

We don’t have tax-delinquent inventory for Lake County yet — that coverage is currently 19 Florida counties, built from county advertised certificate lists. See which counties are covered.

Search Lake County property records

Free property records lookup.

Find who owns a property — search by owner name, address, or APN. This is a live sample; the full dataset is available as a bulk file or through the API.

Loading Lake County parcels…

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APNOwnerAddressLand useYearAssessed value

Looking up a single address? Run a full property report — owner, valuation, sale history and tax-delinquency status for one address, with the county source and pull date on every field.

Get the full Lake County dataset

The complete county file — owner, mailing, assessor value, full lineage — by bulk download or API.

Data, not leads. No spam — we only reach out about your request.

Data overview

What's in the dataset.

County
Lake County, IL
FIPS
17097
County seat
Waukegan
Population
718,604
Data source
Lake County parcel layer
Source type
Verified county layer
Parcels
278,617
State coverage
51 / 102 counties
Lineage
Source + pull date on every record
Lake County parcel layer·Pulled June 2026
Packaged for your vertical

Same parcels, different buyer.

The same Lake County records, packaged for each buyer vertical.

FAQ

Common questions about Lake County data.

Financing a deal here? 20 hard money lenders were active in Lake County in 2024 see who is lending and at what rates.