City of Chicago property taxes must be paid by Thursday, October 1, to avoid significant late fees. To download a copy of your tax bill or to make a payment:
- Visit cookcountytreasurer.com.
- Select the blue box labeled “Pay Online for Free”
- Search by property address or enter your Property Index Number (PIN)
- There is no fee if you pay from your bank account
After October 1, any balance will be charged an additional 1.5% for each additional month the bill is not paid.