Specialties

Buyer's Agent, Listing Agent

Education

BS - Arizona State University
PMD - Harvard Business School
About Mary
Mary Coasby brings a strategic, investment-minded approach to real estate, helping clients make decisions that support both their lifestyle and long-term financial goals. With extensive personal experience buying, renovating, and selling homes, she brings a nuanced understanding of quality, craftsmanship, and long-term value.

Before transitioning into real estate, Mary spent 17 years as an international Marketing Manager at Intel, where she developed the analytical rigor and negotiation skills that now define her practice. She believes buying or selling a home is not only a personal milestone, but also a business decision — one that deserves thoughtful strategy and data-driven insight.

Based in Evanston, Mary offers deep local market knowledge and a disciplined approach to pricing, positioning, and investment analysis. She holds a Bachelor’s degree from Arizona State University, earned her PMD from Harvard Business School, and is a Certified International Property Specialist.

Client Testimonials

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"Mary is the best realtor in Evanston! Extremely professional, always on time, goes above and beyond to help you close on time. She helped in selling our condo in Evanston in less than a month! Strongly recommend her if you are in the area looking for a realtor - you just cannot go wrong with Mary! "

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"The experience of working with Mary has been really wonderful. When we started considering buying a house, Mary met with us and genuinely heard our needs, and consistently followed up with us. She made this rough process fun and painless with her generosity and genuinely caring approach to us and to her work. All the advice we received from her turned out to be excellent decisions. I highly recommend fellow house seekers to work with Mary with confidence! "

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"Mary is extremely knowledgeable about the market and showed a lot of patience with the millions questions we had about the home buying process. She knew the ins and outs of our desired areas and went above and beyond to make us feel confident in our home buying decision! Thank you, Mary! "

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"Mary is amazing! We immediately connected with her and started the house hunting process. She goes to bat for her people and provides great resources to make buying a home as smooth as possible! Love her and would call her immediately for our next move! "

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"We worked with Mary when buying our first home in Evanston and her expertise was apparent from the start. She has an excellent knowledge of all the areas she works, unparalleled work ethic and most of all just a natural warmth to her. She took the time to answer all our questions, and walked with us hand in hand until we had the keys to the place. Would reco Mary to anyone and everyone! "

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"Mary listed my house when I was transferring out of state. Her market analysis and strategy to market the house was perfect & my house sold incredibly fast. I would highly recommend her to anyone looking to sell or buy a home in the Evanston or greater Chicago-land area. YAY Mary! "

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"Mary is incredible! She sold our mother’s condo quickly and efficiently. The entire process was seamless: Mary is experienced, attentive to all details, and she provided excellent advice. In addition, Mary was extremely sensitive and caring during a difficult process. We are so grateful! "