Mary on the Square is a residential sales team representing buyers, sellers, renters, landlords, and developers.

Selling “River to River” in Center City Philadelphia, our full time boutique residential sales team understands the complexities of urban living and the luxury real estate market. We leverage our personal connections, decades of experience, cutting-edge technologies, and intensive market knowledge in pursuit of unparalleled client-focused service.

Mother-daughter partners Mary Genovese Colvin and Margaux Pelegrin are in the top 1% of all realtors nationwide; both were named 2013 PREA 100 award winners as Top 100 agents in the network. Expert in appraising market value and matching clients with the ideal home for their tastes and budgets, the Genovese-Pelegrin team brings the highest level of professionalism, creative thinking and personal attention to everything we do. Our stellar reputation in the industry testifies to our comprehensive market expertise and singular commitment to our clients.


As part of the Berkshire Hathaway HomeServices network, Mary on the Square offers clients the best of both worlds, combining the strong local leadership and personal attention of a boutique sales team with the unsurpassed network and resources of a world-renowned company. Named 2014 “Real Estate Agency Brand of the Year” by Harris Poll EquiTrend, Berkshire Hathaway HomeServices is among the few companies entrusted with the Berkshire Hathaway name, an enterprise worth more than $200 billion and a global symbol of quality and integrity.

Because we have the highest standards, we take great pride in meeting yours. Our team 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.”