About Mary
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.

Before becoming a RealtorĀ®, 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 RealtorsĀ® 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

Mary Keller’s Listings

a front view of a house with a yard
a view of a livingroom with wooden floor and a kitchen
a view of empty room with wooden floor and fireplace
a view of an empty room with wooden floor and a window
a view of an empty room with a window and wooden floor
a view of a room with wooden floor and windows
a open kitchen with granite countertop a refrigerator sink and cabinets
a large kitchen with kitchen island granite countertop a large window
an empty room with closet and wooden floor
a view of a room with wooden floor chandelier and entryway
a view of a room with a chandelier
a view of an empty room with a window
a view of an empty room with window
a view of a room with wooden floor ceiling fan and window
a view of room with window and wooden floor
a view of a room with wooden floor and chandelier
a bathroom with a sink and a toilet
a spacious bathroom with a granite countertop bathtub sink vanity mirror and
a view of a hallway with windows
a view of a hallway with wooden floor
a view of entryway
a view of an empty room with a window
a view of a deck with table and chairs and floor to ceiling window
a view of a house with a yard and large tree
a house view with a outdoor space
a view of a house with a yard
a backyard of a house with lots of green space
1/27
Listed By Compass

$225,000

3
Bedrooms
1,464
Square Feet
0.38
Acres

Mary Keller’s Transactions

Past Sales
a front view of a house with garden

$578,000

3
Bedrooms
2,716
Square Feet
0.11
Acres

Courtesy of RE/MAX SELECT REALTY

a front view of a house with garden

$461,000

3
Bedrooms
0.06
Acres
a view of a white house

$349,900

3
Bedrooms
0.10
Acres
a front view of a house with a yard and garage

$263,000

4
Bedrooms
0.34
Acres

Courtesy of Realty One Group Horizon

a front view of a house with a yard and garage

$240,000

4
Bedrooms
0.20
Acres
a front view of a house with a garden and yard

$220,000

4
Bedrooms
0.31
Acres
a front view of house with yard and green space

$218,000

3
Bedrooms
0.26
Acres
a view of building with yard street and trees

$190,000

3
Bedrooms
1,680
Square Feet

Courtesy of RE/MAX REALTY BROKERS

a front view of a house with a garden

$180,000

3
Bedrooms

Courtesy of CENTURY 21 AMERICAN HERITAGE

a front view of a house with a yard

$175,000

3
Bedrooms
0.23
Acres
a brick house with a large windows

Courtesy of BERKSHIRE HATHAWAY THE PREFERRED REALTY

a front view of a house with a yard

$166,000

2
Bedrooms
1,040
Square Feet
0.29
Acres

Courtesy of BERKSHIRE HATHAWAY THE PREFERRED REALTY

a front view of a house with a yard table and chairs

$160,000

2
Bedrooms
925
Square Feet
0.23
Acres

Courtesy of JANUS REALTY ADVISORS

a front view of a house with garden and plants

$150,000

1
Bedrooms
756
Square Feet

Courtesy of COLDWELL BANKER REALTY

a view of a house with a street

$148,000

3
Bedrooms
1,430
Square Feet

Courtesy of KELLER WILLIAMS REALTY

a front view of a house with garden

$144,900

5
Bedrooms
1,578
Square Feet
0.14
Acres

Courtesy of KELLER WILLIAMS REALTY

a house that has a tree in front of it

$135,000

3
Bedrooms
0.19
Acres

Courtesy of COLDWELL BANKER REALTY

a front view of a house with garden

Courtesy of PRIORITY REALTY LLC