This page helps users complete a Property Search in Kankakee County, Illinois by pointing them to official lookup tools, parcel maps, assessment information, and related county contacts.
Start with the Kankakee County Property Tax Inquiry for tax bill and parcel searches, then use K3-Mapper 2.0 when you need a map-based parcel view.
Kankakee County Property Tax Inquiry
The Kankakee County Property Tax Inquiry is the main online search tool for property tax information. It supports Parcel Search and Mobile Home Search.
For the best search result, use the parcel number or the last name as it appears on the tax bill.
- Parcel number
- Last name as printed on the tax bill
After entering search criteria, choose the search type that matches the record you need.
- Open the Kankakee County Property Tax Inquiry.
- Enter at least one search field.
- Select Parcel Search or Mobile Home Search.
- Review the matching tax or parcel record.
Tax bill barcode rule: tax bills may be reprinted at no additional fee, but the tax bill must have a barcode. Payments received without a barcode may be charged a $5 fee.
K3-Mapper 2.0 parcel map
Use K3-Mapper 2.0 Parcel Search for a map-based parcel search in Kankakee County. The tool includes parcel search, map layers, basemap options, measurement, drawing, legend, and print tools.
K3-Mapper can help when you need to view a parcel location, check nearby features, or start with a parcel before deciding whom to contact about building permits.
K3-Mapper is provided as-is, and information in the application may change without notice.
Assessment records and property details
The Supervisor of Assessments Office oversees valuation of real property in Kankakee County for assessment purposes. The office also maintains and updates parcel ownership and tax roll information, cadastral mapping, property transfer declaration forms, farmland assessments, and assessment change notices.
Use the Supervisor of Assessments Office when your property search question involves assessed value, ownership records, exemptions, assessment changes, or appeal-related forms.
- Assessment valuation questions
- Parcel ownership or tax roll updates
- Homestead exemption forms
- Mailing change requests
- Assessment appeal forms and deadlines
Tax bill dates and payment status
The property tax inquiry system is updated as payments are processed. Bank payments made before the posted due dates are treated as on time, even if they have not yet appeared in the system.
The following dates and payment notes are important when reviewing a tax record or reprinting a bill.
| Item | Date or rule |
|---|---|
| 1st installment due date | June 25, 2026 |
| 2nd installment due date | September 3, 2026 |
| Personal or business checks | Not accepted after September 25, 2026 |
Delinquent property research: during payment processing periods, delinquent information in the system is not guaranteed to be accurate.
GIS data and map resources
The Kankakee County Geographic Information Systems Department provides public geographic data and web applications for geospatial study. The GIS site connects users to K3-Mapper, the GIS Data Hub, and ArcGIS Online content.
The GIS Data Hub includes public data categories such as taxing districts, zoning, cadastral data, PLSS, soils, topographic contours, planimetric data, and ortho imagery.
Property search contacts
Use these county contacts when an online property search result is missing, unclear, delayed, or tied to assessment, tax, or GIS questions.
-
Supervisor of Assessments Office, 189 East Court Street, Kankakee, IL 60901
Phone: (815) 937-2945
Hours: Monday through Friday, 8:30 am to 4:30 pm -
Kankakee County Treasurer's Office, 189 E Court Street, Kankakee, IL 60901
Phone: (815) 937-2960
Email: [email protected]
Hours: Monday-Friday, 8:30 AM - 4:30 PM -
Kankakee County GIS Department
Phone: (815) 937-2986
Email: [email protected]
Common questions
Where do I search for Kankakee County property tax information?
Use the Kankakee County Property Tax Inquiry. You can search by parcel number or by last name as it appears on the tax bill.
What is the difference between the tax inquiry and K3-Mapper?
The tax inquiry is used for property tax and bill-related searches. K3-Mapper is the county’s map-based parcel search tool for viewing parcel geography and related map layers.
Can I reprint a Kankakee County tax bill online?
Yes. The tax inquiry notes that tax bills may be reprinted at no additional fee, but the bill must include a barcode. A payment received without a barcode may be charged a $5 fee.
Why does my bank payment not show in the tax inquiry yet?
Bank payments are processed continuously. If you paid at a local bank before the posted due date, the payment is considered on time even if it has not appeared in the system yet.
Who handles assessed value, ownership, and exemption questions?
The Supervisor of Assessments Office handles real property valuation oversight, parcel ownership and tax roll information, homestead exemptions, assessment changes, and related assessment forms.