How to look up property records in Illinois
Illinois property records are kept locally, by each county. The county assessor keeps ownership and value for taxes, and the county clerk or recorder keeps deeds and plats.
CLILU maps 7,320,379 parcels in 79 Illinois counties, 41% with the owner of record, refreshed weekly. Browse Illinois by county or by city and ZIP code.
Find an owner in Illinois
- Open the Illinois parcel map, zoom in and tap the property.
- Note the owner, mailing address and parcel ID.
- For an official record, look the parcel ID up on the county assessor's site, then find the deed with the county recorder or clerk.
Property lines
Parcel outlines come from county GIS maps and are approximate. See how to find property lines for plats, markers and surveys.
Largest Illinois counties by parcel count
- Cook: 3,751,689 parcels
- DuPage: 337,350 parcels
- Will: 280,856 parcels
- Lake: 278,586 parcels
- McHenry: 197,980 parcels
- Kane: 188,342 parcels
- St. Clair: 148,887 parcels
- Madison: 136,634 parcels
- Winnebago: 127,844 parcels
- Sangamon: 104,811 parcels
Bulk data and lists
Investors and analysts can build owner lists (absentee and out-of-state owners, vacant land, acreage, sale dates) or download a whole county's parcel data as CSV.
Common questions
Are property records public in Illinois?
Yes. The owner of record, assessed value and recorded deeds are public in Illinois. Some protected people, such as judges and law enforcement officers, may ask for their home address to be shielded.
How do I find who owns a property in Illinois?
Find the parcel on a parcel map such as CLILU (covering 79 Illinois counties), or search the county assessor's website by address or owner. Confirm with the deed at the county recorder or clerk.
Where are deeds recorded in Illinois?
Deeds are recorded by the county clerk or recorder where the property is located. Many offices offer online index searches; copies may carry a small fee.