Kane County, IllinoisProperty records & tax offices

Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.

Find the right property record

Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.

Tax bills & filing dates

These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.

Assessment appeal
Township-specific; for example, the official 2026 Dundee Township notice set July 9, 2026 as the final filing deadline. No single countywide date applies.

Exemptions & appeals

View exemption application (opens in a new tab)
Senior relief

The Kane County Assessment Office publishes current Senior Freeze eligibility information and administers homestead exemptions. The applicable 2026 filing date is township/notice-specific and should be confirmed with the office.

For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.

More exemption & appeal guidance →