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  • About Mary

    Mary Genovese Colvin, founding partner of On The Square Real Estate, began her career in Residential Real Estate thirty-eight years ago involved in over 600 million in sales just over the past 13 years. Mary and her daughter, Margaux, are a founding team at Compass Philadelphia. 

    Selling “River to River” in Center City Philadelphia, Mary understands the complexities of urban living and the luxury real estate market. She leverages her personal connections, decades of experience, cutting-edge technologies, and intensive market knowledge in pursuit of unparalleled client-focused service. Because Mary has the highest standards, she take great pride in meeting yours. 

    Mary approaches each transaction with the utmost care and is committed to staying at the forefront of industry trends and changes. “In today’s market, keeping up is not just important but crucial,” says founding partner Mary Genovese Colvin. “From luxury sales to rentals we do it all with unwavering dedication to each and every transaction.” 

    “My clients hire me to do my best and nothing is more important than customer service.” Real Estate Transactions are among the biggest investments people make in a lifetime. “I feel there is no time for amateurs and certainly no time to cut corners. I know just how important my role is to buyers/sellers."


Mary believes in “giving is better than receiving” and because of this she has been board active with many charities and involved in the arts over the years. She is a member of the Union League of Philadelphia. 

    Mary lives with her husband Bob, a retired partner with PWC, in Rittenhouse Square. 

    Mary's Testimonials

    Mary Genovese Colvin’s Listings


    Mary Genovese Colvin’s Recent Transactions

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