2025 Pay 2026 Collar County Tax Bill Due Dates

June 2, 2026 Collar County Tax Bills

Please see the following tax bill due dates for the Collar Counties: 

County First Installment Due DateSecond Installment Due DatePay Online
KaneJune 1, 2026  September 1, 2026Kane County Treasurer
Will June 1, 2026September 1, 2026Will County Treasurer
DuPage June 1, 2026  September 1, 2026DuPage County Treasurer
Lake June 4, 2026   September 4, 2026Lake County Treasurer
Winnebago June 12, 2026September 12, 2026Winnebago County Treasurer
Kendall June 9, 2026September 9, 2026Kendall County Treasurer
Kankakee  June 25, 2026  September 3, 2026Kankakee County Treasurer
Grundy  June 26, 2026 September 4, 2026Grundy County Treasurer
BooneJune 1, 2026   September 1, 2026Boone County Treasurer
McHenryJune 9, 2026September 9, 2026McHenry County Treasurer
DeKalb     June 3, 2026     September 3, 2026DeKalb County Treasurer

 

If you have any questions regarding your first or second installment property tax bills or are interested in filing an appeal to lower your property tax assessment, please do not hesitate to reach out to us.

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