Mary Posner

Mary Posner

ABR, E-PRO - Broker

30 Green Bay Road
Winnetka, IL 60093

If you are looking to buy a home on Chicago’s North Shore, or downtown Chicago, I am here to guide you on your way. I have been in real estate for ten years and enjoy working on behalf of both buyers and sellers.

I educate buyers in the detailed home buying process, familiarizing and acquainting them to their new neighborhood as we work together. Representing sellers in the listing and marketing of their homes is the other half of my professional expertise.

I’ve found that what really works well is to keep the lines of communication open, while continually informing the client as we go, so that they have no surprises. That’s what makes for happy satisfied customers- And, me as well!


  • Brokers license received in 2001
  • E-pro certified
  • Buyers agent
  • Listing agent

I have lived in the area all my life (Glencoe, Winnetka, Kenilworth, and Evanston). My husband and I decided to reside in Wilmette, where we have raised our four children. And have done so for quite some time.

These personal qualifications give way to knowledge of not only the terrain but also community info, schooling (of all ages), transportation, park district, restaurants ect.

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