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
1833 Delancey Place

Philadelphia, PA 19103

$6,750,000
5 BD
4.5 BA
5,000 SF
Listed By Compass
Pending
38 Harrison Drive

Newtown Square, PA 19073

$3,999,000
6 BD
7 BA
9,500 SF
Listed By Compass
227 South 6th Street, Unit 1C

Philadelphia, PA 19106

$3,400,000
2 BD
2.5 BA
2,767 SF
Listed By Compass
VIRTUAL TOUR
2022 Spruce Street

Philadelphia, PA 19103

$3,185,000
6 BD
5 BA
5,946 SF
Listed By Compass
VIRTUAL TOUR
1820 Rittenhouse Square, Unit 602

Philadelphia, PA 19103

$2,695,000
3 BD
3.5 BA
3,217 SF
Listed By Compass
2311 Delancey Place

Philadelphia, PA 19103

$2,175,000
4,775 SF
Listed By Compass
Pending
VIRTUAL TOUR
119 Church Street

Philadelphia, PA 19106

$2,095,000
4 BD
5 BA
4,040 SF
Listed By Compass
254 South 3rd Street

Philadelphia, PA 19106

$1,950,000
3 BD
4 BA
3,900 SF
Listed By Compass
VIRTUAL TOUR
1901 Walnut Street, Unit 14D

Philadelphia, PA 19103

$1,625,000
3 BD
3 BA
2,700 SF
Listed By Compass
VIRTUAL TOUR
2006 Chancellor Street

Philadelphia, PA 19103

$1,600,000
2 BD
2.5 BA
2,400 SF
Listed By Compass
Pending
2211 Lombard Street

Philadelphia, PA 19146

$1,585,000
4 BD
3.5 BA
3,000 SF
Listed By Compass
Pending
VIRTUAL TOUR
2215 Pine Street

Philadelphia, PA 19103

$1,125,000
4 BD
3 BA
2,100 SF
Listed By Compass
Pending
536 Lombard Street

Philadelphia, PA 19147

$1,000,000
3 BD
2.5 BA
2,400 SF
Listed By Compass
Pending
1730 Montrose Street

Philadelphia, PA 19146

$575,000
3 BD
2.5 BA
2,200 SF
Listed By Compass
747 South 19th Street

Philadelphia, PA 19146

$499,000
4 BD
2 BA
1,464 SF
Listed By Compass
Pending
VIRTUAL TOUR
1701 Locust Street, Unit 2015

Philadelphia, PA 19103

$449,900
1 BD
1.5 BA
916 SF
Listed By Compass
1519 Pine Street, Unit 5

Philadelphia, PA 19102

$385,000
1 BD
1.5 BA
813 SF
Listed By Compass
2429 Locust Street, Unit 308

Philadelphia, PA 19103

$347,500
1 BD
1 BA
814 SF
Listed By Compass
Pending
VIRTUAL TOUR
2429 Locust Street, Unit 216

Philadelphia, PA 19103

$315,000
1 BD
1 BA
707 SF