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Mary Keller

Meet Mary Keller, a lifelong resident of Western Pennsylvania. Born and raised in Tarentum, Mary has a deep understanding of the local real estate market. After spending the early years of her career in Pittsburgh's Shadyside, Morningside, and Cheswick neighborhoods, she and her husband Bill moved to Lower Burrell where they raised their two boys. They later relocated to Sarver before spending a few years in Sarasota, FL and finally settling in Oakmont, where they have lived for the past decade.

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Before becoming a Realtor®, Mary honed her skills in healthcare, starting as a Radiologic Technologist and eventually becoming Manager of Radiology at Shadyside Hospital. She then transitioned into the Healthcare Information System arena where she excelled in managing resources, projects, and client relationships. These experiences have provided her with a strong foundation for her successful transition to real estate. With a keen eye for detail and a commitment to delivering results, Mary is experienced in meeting client expectations, communicating effectively, and making the buying or selling process as seamless as possible. Her expertise in technology also allows her to effectively market homes in today's digital environment.

As a member of the Realtors® Association of Metropolitan Pittsburgh (RAMP), Mary is committed to upholding the highest standards of professionalism and integrity in the industry. She is a proud graduate of Highlands High School and holds an associate degree in Science from Penn State University, as well as a bachelor's degree from LaRoche College. Mary's training as a Radiologic Technologist was completed at Shadyside Hospital.

Mary is proud to be affiliated with the John Marzullo Group, a top-performing real estate team with over 25 million dollars in sales and an impressive record of selling over 125 homes each year. With a drive to help her clients achieve their real estate goals, Mary will work tirelessly to ensure a smooth and successful transaction. Contact Mary today to learn how she can assist you in reaching your real estate dreams.

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In the words of my clients

Success Stories

"You never know the type of realtor you’re going to get when you blindly request a house tour online, but we hit the jackpot when we got matched with Eddie McDonough! From the first house through the (what felt like) 100th house, Eddie was patient, kn
"Eddie McDonough was fantastic through our entire buying and selling process. Our journey started as window shopping with no time line on moving. Eventually, we made the decision to get serious in our shopping. Eddie was very understanding of our wi
"I worked with Steele to find my perfect first home. As a first time buyer I had a ton of questions and I didn’t really know where to start. Steele answered every single possible question I had and made the home buying process an enjoyable experience
"Dacia K was amazing to work with in the Pittsburgh region. I'd recommend her to anyone looking to buy or sell a house! Very knowledgeable and responded promptly to my questions!"
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