Find property sales that are arms length transactions

Chicago Cityscape added a new filter in Property Finder and Property Sales Browser that filters out sales that are likely not arms length transactions. We are excited to offer this to our members who are brokers and appraisers as this will make it easier to identify incomparable sales. 

To find arms-length transactions we are using most of the filters that the Cook County Assessor's Office uses. Our filter uses the following flags to identify if a property is not arms length:

  • sale price of $10,000 or less
  • uses a quit claim deed, executor deed, or beneficial interest instrument
  • has no instrument type specified
  • has a value for any of nine Line 10 items in the PTAX-203 form

Use the checkbox in Property Finder and Property Sales Browser to exclude property sales that are likely not arms length transactions.

In one of our tests we found that 17 percent of property sales in the Near West Side community area had one or more of the flags and were not considered to be an arms length transaction. 

2023 Q2 property sales data has been uploaded

Chicago Cityscape has added the latest quarter of property sales in Cook County. There were 30,291 sales recorded between April 1, 2023, and June 30, 2023. That is a 21.1 percent increase in sales compared to 2023 Q1.

Read about the change from 2022 Q4 to 2022 Q1.

Our full dataset of Cook County property sales spans the period of 2014 to the second quarter of 2023; data comes from the Illinois Department of Revenue and is updated quarterly, within two weeks of the end of the quarter.

Forty-seven percent of these sales and transactions were for Chicago properties. Use the Property Sales Browser to analyze the number and value of sales in other municipalities.

chart showing the number of property sales per quarter between 2019 Q1 and 2023 Q1 inclusive


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