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When Are Cook Country Property Taxes Due

As a property owner in Cook County,Illinois,understanding the deadlines and important dates related to property taxes is crucial.Cook County imposes property taxes to fund essential services and local government operations.We will explore when Cook County property taxes are due,how to calculate them,and other important information to help you stay compliant and informed.

Understanding Cook County Property Taxes:

a.Purpose of property taxes:Property taxes fund various public services,including schools,police and fire departments,libraries,and infrastructure development.

b.Calculation of property taxes:Property taxes in Cook County are based on the assessed value of the property,which is determined by the Cook County Assessor's Office.

Cook County Property Tax Calendar:

a.Assessment process:The Cook County Assessor's Office assesses the value of properties annually.Property owners receive assessment notices detailing the assessed value of their properties.

b.Filing an assessment appeal:If you believe your property's assessed value is inaccurate,you can file an appeal with the Cook County Assessor's Office during the designated period.

c.Tax bill issuance:After the assessment process is complete,the Cook County Treasurer's Office issues property tax bills to property owners.

d.Tax bill due dates:Cook County property tax bills are typically due in two installments:the first installment and the second installment.

First Installment Due Date:

a.Due date:The first installment of Cook County property taxes is generally due on or around March 1st of each year.

b.Grace period:Property owners have a grace period of 30 to 60 days after the due date to make their first installment payment without incurring penalties.

Second Installment Due Date:

a.Due date:The second installment of Cook County property taxes is generally due on or around August 1st of each year.

b.Grace period:Property owners have a grace period of 30 to 60 days after the due date to make their second installment payment without penalties.

Payment Options and Penalties:

a.Payment methods:Property owners can make their property tax payments through various methods,including online payments,mail,or in-person at designated payment locations.

b.Penalties for late payments:Late payments may result in penalties and interest charges.It is essential to pay property taxes on time to avoid unnecessary fees.

Escrow Accounts and Mortgage Payments:

a.Escrow accounts:If you have a mortgage,your property taxes may be collected by your lender through an escrow account.Check with your mortgage servicer to determine how your property taxes are being handled.

b.Mortgage payments and property taxes:Even if your property taxes are collected through an escrow account,it is important to understand the deadlines and ensure your mortgage servicer pays the taxes on time.

Exemptions and Deferral Programs:

a.Exemptions:Cook County offers various property tax exemptions for eligible individuals,such as the Homeowner Exemption,Senior Citizen Exemption,and Disabled Persons Exemption.Research and apply for any applicable exemptions to reduce your property tax burden.

b.Deferral programs:Cook County also provides deferral programs for eligible individuals who are struggling to pay their property taxes.These programs allow qualified homeowners to defer their property tax payments temporarily.


Staying informed about the deadlines and important dates related to Cook County property taxes is essential for property owners.By understanding when property taxes are due,payment options,and available exemptions or deferral programs,you can ensure compliance,effectively manage your property tax obligations,and avoid penalties.