Lake County property records
Where to look up owners, values, tax bills, parcel maps, deeds and value appeals in Lake County, Illinois. Each link goes to the county or state office that keeps the record.
Where each record lives
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Owner, land, building and value
Look up an owner’s name and mailing address, land and building details and the assessed value in the Lake County property search.
Contact details and how-tos are on the Lake County property assessment office page.
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Tax bills and payments
Find the current bill, the balance due and past payments with the Lake County property tax lookup.
Contact details and how-tos are on the Lake County property tax office page.
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Parcel maps
See parcel boundaries, parcel numbers and aerial imagery on the Lake County GIS parcel map.
Contact details and how-tos are on the Lake County GIS and mapping office page.
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Value complaints and appeals
Deadlines, forms and how to file an appeal are on the Lake County value appeals page.
Contact details and how-tos are on the Lake County value appeals page.
We haven’t found Lake County’s deeds and recorded documents online. Call the county at (847) 377-2000 or start at its website, lakecountyil.gov.
Links go to official county and state sites and were last checked in November 2026. Offices move their pages, so if one has changed, the county’s own website (lakecountyil.gov) is the place to start.