Property Taxes

Real Estate and Tax Services Division is closed to the public.

All tax redemption services were suspended from March 18, 2020 until May 4, 2020. We will offer taxpayers with redemption deadlines occurring during our closure a "redemption grace period".  As of May 5, 2020, the Clerk is accepting redemption payments by mail.

For Taxbuyers interested in submitting notices of extension of the last day to redeem and 2019 Forfeiture Sale take notices, click on icons below.  As of May 5, 2020, the Clerk is accepting tax buyer postings by email, see icon below.   

For more information regarding our services, please choose one of the icons below if you are a Taxpayer, Taxbuyer, or Taxing District requiring additional information

Any tax redemption questions and/or concerns should be emailed to with your PIN number. Any property tax extension or district portal questions and/or concerns should be emailed to

Please continue to check our website for further updates.




If your unpaid taxes have been sold, the Clerk's office can provide you with an Estimate of the Cost of Redemption.

The Clerk's Tax Extension Unit is responsible for calculating property tax rates for all local taxing districts in Cook County. 

Use your Property Index Number (PIN) to see if your property has any sold, forfeited or open taxes.

Search past Tax Agency Reports that reflect the data used to calculate the tax rates for local taxing districts.

Reports, tools & information on TIF districts - a tool that a city can use to generate money for development in a specific area using taxpayer funds.

The Cook County Clerk’s office produces a plethora of maps pertaining to elections and taxing districts. All of our available maps are posted here as PDFs.

The Map Department maintains records of taxing district boundaries to provide the basis for property tax calculations done for tax extensions.

A PIN, or property index number, is a unique 14-digit number that represents a parcel of land for taxation purposes.

An overview of the Illinois Property Tax system operating in Cook County.

Frequently asked tax-related questions and a glossary of tax terms to know in order to understand your taxes.