08/28/2026
The 2nd installment of the 2025 Real Estate Taxes is due Thursday, September 3, 2026!
To pay online or view FAQs, visit https://dekalbcounty.org/treasurer
If you are experiencing technical problems through our main tax inquiry, please use our payment partner's invoice search https://www.invoicecloud.com/dekalbcountyil to go directly to your bill.
As always, you can reach our office Monday thru Friday 8:30am to 4:30 pm.