What We Do

In a Nutshell:  Your New Trier Township Assessor's Office advocates for you with the Cook County Assessor's Office and the Cook County Board of Review.  Additionally, we provide a board range of services acting as a liason for you with various County agencies.

Available Services

  • Assistance with preparing appeals for the Cook County Assessor, the Assessor's Re-Review and the Cook County Board of Review (and Re-Review)
    • We provide information about the various grounds for appeal
    • We file appeals for you at your request
  • Assistance with preparing appeals for the Property Tax Appeal Board ("PTAB")
  • Assistance with filing exemptions
  • Assistance with the Cook County Treasurer's Office
    • Obtaining refunds
    • Updating name and address information
    • Providing documentation to correct 2nd installment Tax bills that are missing valid exemptions
  • Sales and building permit information
  • Taxpayer of record information
  • Brief legal descriptions of a specific property
  • Information from the Plat Books ("Sidwell Maps")
  • Information from tax exempt properties
  • Tax rate information

We are also available to do outreach events for your organization.  We have a presentation we call "Your Annual Tax Calendar at a Glance," but will gladly tailor a presentation for your organization.

The Cook County Assessor's office does ALL assessing in Cook County on a Triennial basis.

The Cook County Treasurer's office prepares ALL tax bills and collects ALL taxes.  Taxes are collected in arrears; tax bills are issued in February and July (subject to adjustments for unforeseen events).

You can reach the New Trier Assessor's office at (847) 446-8200.  Deputy Assessor Leonard Shifflet and I look forward to serving you.


Jan Churchwell

New Trier Township Assessor





739 Elm Street, Winnetka, Illinois 60093 P. (847) 446-8202 F. (847) 446-1743
© New Trier Twonship. All Rights Reserved.