Mary Genovese Colvin

Mary Genovese Colvin

Associate Broker
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 her daughter, Margaux, are a founding team at 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 with many charities 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

Listed By Compass
VIRTUAL TOUR
1833 Delancey Place

Philadelphia, PA 19103

$5,995,000
5 BD
4.5 BA
5,000 SF
Listed By Compass
500 Walnut Street, Unit 802

Philadelphia, PA 19106

$5,199,000
3 BD
3.5 BA
3,200 SF
Listed By Compass
VIRTUAL TOUR
2022 Spruce Street

Philadelphia, PA 19103

$2,899,500
6 BD
5 BA
5,946 SF
Listed By Compass
VIRTUAL TOUR
130 Delancey Street

Philadelphia, PA 19106

$2,850,000
4 BD
5 BA
4,439 SF
Listed By Compass
Pending
VIRTUAL TOUR
2109 Race Street

Philadelphia, PA 19103

$2,600,000
4 BD
5 BA
4,021 SF
Listed By Compass
Pending
VIRTUAL TOUR
206 North 22nd Street, Unit B

Philadelphia, PA 19103

$2,295,000
4 BD
5 BA
4,161 SF
Listed By Compass
VIRTUAL TOUR
2100 Hamilton Street, Unit 3C

Philadelphia, PA 19130

$2,250,000
2 BD
2.5 BA
1,780 SF
Listed By Compass
Pending
VIRTUAL TOUR
1101 Locust Street, Unit 5BC

Philadelphia, PA 19107

$1,795,000
3 BD
3.5 BA
2,668 SF
Listed By Compass
VIRTUAL TOUR
2419 Fairmount Avenue

Philadelphia, PA 19130

$1,240,000
4 BD
2.5 BA
1,700 SF
Listed By Compass
Pending
VIRTUAL TOUR
2302 Locust Street

Philadelphia, PA 19103

$1,195,000
4 BD
2.5 BA
2,615 SF
Listed By Compass
Pending
VIRTUAL TOUR
1941 Pine Street

Philadelphia, PA 19103

$1,145,000
3 BD
2.5 BA
2,370 SF
Listed By Compass
Pending
VIRTUAL TOUR
2415 Naudain Street

Philadelphia, PA 19146

$815,000
3 BD
2 BA
1,360 SF
Listed By Compass
VIRTUAL TOUR
237 North Bread Street, Unit 2

Philadelphia, PA 19106

$645,000
3 BD
2 BA
2,266 SF
Listed By Compass
VIRTUAL TOUR
Open: 6/30 4:00pm - 5:30pm
1924 Waverly Street

Philadelphia, PA 19146

$629,000
2 BD
2.5 BA
882 SF
Listed By Compass
Pending
VIRTUAL TOUR
1008 Spruce Street, Unit 2R

Philadelphia, PA 19107

$265,000
1 BD
1 BA
694 SF