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The Department of Revenue is performing emergency maintenance on the Cook County Taxpayer Portal. The Portal will be unavailable on January 16th, from 12:00PM to approximately 1:00PM. Thank you for your patience while we perform important updates to the Portal.
Welcome to the Online Taxpayer portal!
7/1/2024 - ACH (E-Check) Payments
If your financial institution requires a Company ID, please use 0000408976.
1/9/2023 - Great News! We now accept payment by credit card!
There will be a 2.1% processing fee for most payments made by credit card.