This page helps users handle a Property Search in Kendall County, Illinois by pointing them to the main official tools for tax and parcel information.
Start with the Kendall County Property Tax Inquiry for parcel or mobile home tax records, then use the Kendall County GIS Viewer when you need map-based parcel details or CAMA information.
Kendall County Property Tax Inquiry
The Kendall County Property Tax Inquiry is the main self-service tool for property tax record searches. It offers search types for Parcel Search and Mobile Home Search.
- Select the search type that matches the record you need.
- Use Parcel Search for real estate parcel records.
- Use Mobile Home Search for mobile home tax records.
- Review the inquiry results for the property tax information tied to the selected record.
The inquiry page showed a data update timestamp of 2026-06-22 17:15:00.
Kendall County GIS Viewer
Use the Kendall County GIS Viewer when you want to work from a map. The viewer lets users select a parcel to view parcel attributes. If a selected parcel has associated structures, the viewer can also show CAMA data.
The GIS Viewer includes Parcel Information and CAMA Information panels. It also notes that map data and layers do not represent a survey, and that recorded documents should be used for more detailed legal information.
Assessment records and office role
The Supervisor of Assessments Office supervises township assessors in making uniform assessments of taxable real estate. The office also maintains record cards, reviews and revises assessments, equalizes assessments by township, publishes assessment rolls, and applies preferential assessments and homestead exemptions as required by statute.
For assessment-related property search questions, the Kendall County Assessments office is the county office tied to assessment records and related taxpayer assistance.
GIS data limits
Kendall County GIS maps are useful for locating parcels and reviewing mapped attributes, but they are not surveys. The county states that GIS data is compiled from official records such as plats, surveys, recorded deeds, and contracts, and is used for local government purposes.
For GIS data access and map resources, the county’s Geographic Information Systems page provides GIS, map gallery, portal, and open data information.
Tax bill and payment records
The County Treasurer serves as Ex-Officio County Collector of Real Estate Property Taxes and Drainage District Taxes for Kendall County. The Treasurer maintains tax records from the year 1851 and makes them available to the public.
For bill viewing and payment, the county provides a fee-based online service through its Pay or View Bills portal. One Time Pay does not require registration.
The county lists these online and phone payment fees:
| Payment method | Fee |
|---|---|
| Credit or debit card online | 2.60%, with a $2.00 minimum per transaction |
| E-Check ACH/EFT | $1.50 per transaction |
| IVR phone payment | Additional $0.95 surcharge |
Property tax due dates
Kendall County tax bills for 2025 taxes payable in 2026 were scheduled to be mailed on May 5, 2026. The county states that not receiving a bill does not remove the taxpayer’s liability.
| Item | Date or detail |
|---|---|
| First installment due date | June 9, 2026 |
| Second installment due date | September 9, 2026 |
| Tax sale | October 26, 2026 |
After September 30, the county accepts only cash, cashier’s check, money order, or certified check during the listed period.
Property search contacts
Use these offices for property search questions, assessment issues, GIS map questions, and tax bill records.
-
Assessments, 504 S. Main St, Yorkville, IL 60560
Phone: (630) 553-4146
Email: [email protected]
Hours: 8:00am - 4:30pm -
GIS/Mapping, 504 S. Main St, Yorkville, IL 60560
Phone: (630) 553-4212
Email: [email protected] -
Treasurer, 504 S. Main St, Yorkville, IL 60560
Phone: (630) 553-4124
Hours: M-F 8:00a-4:30p
Common questions
Where do I search Kendall County property tax records online?
Use the Kendall County Property Tax Inquiry for Parcel Search or Mobile Home Search.
Where can I view Kendall County parcel maps?
Use the Kendall County GIS Viewer to select a parcel, view parcel attributes, and check CAMA information when structures are associated with the parcel.
Are Kendall County GIS maps the same as a survey?
No. The GIS Viewer states that the data and layers do not represent a survey. Use recorded documents for more detailed legal information.
Which office handles assessment questions?
The Kendall County Assessments office handles assessment-related functions, including assessment records, assessment roll publication, equalization, and homestead exemptions.
Who handles property tax bills and older tax records?
The Kendall County Treasurer serves as County Collector and maintains tax records from the year 1851 for public access.