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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

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"I had an amazing experience! They were professional, knowledgeable, and incredibly responsive throughout the entire process. Every question I had was answered promptly, and they guided me step by step, making what can often be a stressful process fee
"Gunnar was the best realtor I’ve worked with! Super responsive and on top off anything you ask of him."
"Shelby Noll was incredible to work with as I bought my first home. She was always on top of every detail, quick to respond, and made the entire process feel manageable and stress-free. Shelby is friendly, knowledgeable, and truly cares about her clie
"My husband and I had a great experience with our realtor, Neena Kerr! She was so involved in the process and we really appreciated her honesty. She made the process super smooth and clear."
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