An index of U.S. property records, county by county

Illinois · FIPS 17097

Lake County property records

The Lake County file lists 266,435 properties as of the October 2026 edition, with columns for the owner, mailing address, estimated value, open loans and tax bill. Subscribe to this county alone, or as one of 5 in a bundle.

Property records
266,435
Rank in Illinois
3rd of 102
Share of state records
5%
Data as of
Oct 2026
FIPS code
17097

What the Lake County file includes

266,435 rows, one per property, delivered as a CSV with these columns.

The parcel

  • Situs address and ZIP
  • Assessor parcel number (APN)
  • County FIPS code
  • Land use and property type
  • Bedrooms, bathrooms, units
  • Building and lot square feet
  • Year built

The owner

  • Owner name and second owner
  • Mailing street, city, state, ZIP
  • Owner-occupied or absentee
  • Corporate owner flag
  • Years owned and purchase date

The money

  • Estimated value and equity
  • Equity percent and loan-to-value
  • Open liens and balance
  • First lender and loan amount
  • Assessed and market totals
  • Tax amount and tax year
  • Last sale date and price

The signals

  • High equity
  • Free and clear
  • Pre-foreclosure
  • Tax delinquent
  • Vacant

Phone numbers and emails aren’t part of county files. Add them with skip tracing on Acquired Data.

Lake County, IL: questions and figures

How many property records are there for Lake County, Illinois?
The October 2026 edition lists 266,435 properties in Lake County, one row each.
How does Lake County compare with other Illinois counties?
It ranks 3rd of 102 Illinois counties by record count and accounts for about 5% of the state's 4.9M records.
What does the Lake County file cost?
$19 a month on its own, or bundle it with four other counties for $49 a month. Prices are launch proposals and are confirmed at checkout.
What is the FIPS code for Lake County, Illinois?
17097. Every row in the file carries it, which makes the data easy to join with census and other government datasets.
How current is the Lake County data?
This page reflects the October 2026 edition. The national dataset is refreshed monthly and subscribers get each new edition of the county file.

Check one address first

Search a street address in Lake County with its city or ZIP. Building details are open to all; a free account adds the owner and financial columns.

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