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2020 Appeals

By on June 25, 2020 9:50 AM

My office is CLOSED for 2020 reassessment with the Cook County Assessors' Office. We will reopen in the fall with the Board of Review to appeal 2020 assessment. You can add your email to receive alerts from my office on my website.  

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English/Spanish step-by-step appeal process

By on May 21, 2020 2:54 PM

My office is now assisting with appeals remotely. The Cook County Assessor's Office has remained closed to the public due to COVID-19. My office will remain closed as well, to the public, to ensure everyone’s safety. 

This is the time when you want to make any changes to any description error of your property, for example sq.ft, incorrect number of bathrooms, fireplaces, etc.

If you need comparables, please email us at with your property address and phone number. We will send you some comparables to attach to your appeal at the earliest, Friday, but as soon as possible. Please be patient with us. 

Below I have attached a "step by step" process to assist you on filing an appeal online through the Cook County Assessor's Office.


2020_step_by_step_assessor_REVISED-page-001_(1).jpgLast day to file with my office will be June 22nd, 2020. You will still be available to file online with The Cook County Assessor's Office until June 23rd, 2020.

Stay healthy and be safe.



Mi oficina ahora está ayudando con las apelaciones de forma remota. La Oficina del Asesor del Condado de Cook ha permanecido cerrada al público debido a COVID-19.

Mi oficina también permanecerá cerrada, al público, para garantizar la seguridad de todos.


Este es el momento en que desea realizar cambios en cualquier error de descripción de su propiedad, por ejemplo, pies cuadrados, número incorrecto de baños, chimeneas, etc. 

Si necesita comparables, envíenos un correo electrónico a con la dirección y el número de teléfono de su propiedad. Le enviaremos algunos datos comparables para adjuntar a su apelación lo antes posible, el viernes, pero lo antes posible. Por favor se paciente con nosotros. 


A continuación, puede encontrar un "paso a paso" para ayudarlo a presentar una apelación en internet a través de la Oficina del Asesor del Condado de Cook.




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Details on how to file an appeal

By on May 14, 2020 12:58 PM

Below I have included links provided by the Cook County Assessor’s Office that may help you with your appeals:

Download video & graphics:

Facebook Live (English) Wednesday, May 20,2020 @ 6 p.m:

Facebook Live (Spanish) Thursday, May 21,2020 @6 p.m :

Best way to contact the Cook County Assessor's Office is by e-mail through the form on their website.

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Meet Assessor David Avila

David Avila is a lifelong Berwyn area resident. David graduated from Morton West High School, and attended Morton College before receiving a Bachelors’ degree from Western Illinois University with Masters classes. His wife Malisa is a nurse at MacNeal Hospital. The Avilas plan on staying in Berwyn along with their two young daughters for years to come; they love and care about Berwyn which is why David and his wife have been so active and volunteered countless hours in Berwyn. Read More