The Cook County Assessor's Office created the Real Property Income & Expense (RPIE) online data management platform so that owners of commercial properties can submit income, expense, and vacancy data to contribute to fair and accurate valuation of commercial properties.

By completing an RPIE filing, you'll help our analysts accurately assess the property values of your property and other similar properties. 

Step 1: Retrieve your PIN ⟷ RPIE filing code.

In the interest of filing security, we have generated a secure RPIE filing code, specific to each PIN (Property Index Number). For each PIN in your filing, you must supply its matching filing code. 

  • If your property's location is Chicago, in February 2021 you may have received a letter in the mail (or letters, for multiple PINs) with information like this:
    RPIE example of PIN and RPIE code combo
    The RPIE code has letters and numbers. All letters in the RPIE code are all capital letters. If you are experiencing issues with your PIN⟷RPIE code not matching, this may occur because the font on the printed letter makes it difficult to distinguish the letter "o" from the number "0" (zero), and capital "i" from the number "1", so please try both.
  • If you have not received or have lost this mailing, please email rpiesupport@cookcountyassessor.com

Step 2: File.

File an RPIE Online


Filing can be submitted even if you are not filing an appeal. Information submitted helps us accurately capture the real estate market conditions for all properties in a region. Note that an RPIE statement is required for an appeal when the subject of an appeal is an income-producing property, in whole or in part, per Rule 19


RPIE One-Pager

RPIE filing guide

Read the RPIE Filing Guide

RPIE filing guide