Meet Reggie

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Madison Bell

PA Sales Agent

Meet Madison

Born and raised in Rydal, Pennsylvania, she's always had a strong connection to the Philadelphia area. Now living in the city, she loves offering clients the best of both worlds - suburban insight and a passion for vibrant city living.

Madison specializes in Montgomery County and Philadelphia’s surrounding neighborhoods, guiding clients through every step of the real estate process with care, expertise, and a personal touch. A Muhlenberg College graduate with a background in Political Science and Communication, she brings a strong negotiation and communication skills to every transaction.

Her clients describe her as approachable, detail-oriented, and deeply invested in helping them reach their goals - whether that means buying their first home, moving up, or selling with confidence.

Outside of real estate, she stays involved in the community through Mighty Writers and the Share Food Program. Giving back keeps her grounded and reflects the same spirit of service she brings to her work.

With deep local roots, a love for Philadelphia, and a commitment to delivering results, Madison aims to make every real estate experience smooth, personalized, and built on trust.

Madison's Favorites

Favorite Coffee Shop

Elixir Coffee

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Favorite Bakery

Metropolitan Bakery

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Favorite Museum

Franklin Institute

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Favorite Saturday Activity

Farmers Market at Rittenhouse

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Happy Clients.

“This organization is in a class by itself. Even the word outstanding is an understatement. My family had a small house in terrible condition that needed to be sold quickly to avoid squatters. At the same time I could not afford to give the property away at a price below market value. The Costello Group listed the property, showed the property and sold the property at a market price. They treated this transaction like it was a multimillion dollar home. This type of service is priceless.”

Home Seller

Michala and her team really have what it takes to take all the pressure off a complicated real estate transaction. Experience, expertise and patience throughout the entire process. I’m pretty convinced this deal doesn’t happen with any other group. Cheers to a job well done.

Charles

Michala, JoEllen & staff went above & beyond with the sale of my mother's home. They were professional, know the market & always available for questions. It was a pleasure working with them. I highly recommend.

Home Seller

We recommend Michala and her team 100%. We were given Michala’s name by several neighbors who had also had wonderful experiences with her, and we are so grateful! She helped us with a difficult transition move at an emotional time in our lives, and we ended up with a great success and a sense of completion that was very important - the team helped us in this every step of the way with advice, paperwork, logistics, strategy and more. Michala understood our neighborhood perfectly. We chose the Private Exclusive process and were extremely pleased with the control, pace and privacy that it gave us. Our timelines changed a few times and the team met each one with calm and grace, reassuring us as we went. Everyone was highly professional, respectful, caring, and knowledgeable. Things went very smoothly and quickly. We were satisfied with the negotiations, the inspection, and the final steps as well. Michala’s team is an excellent choice; we will always be thankful for having her lead this experience for us.

Home Seller

“Every single person on the Michala Costello team was helpful, professional, kind, and knowledgeable. From great advice on prepping the house to an exact-right price that I'm sure helped us sell super fast to above-and-beyond service around closing ... I'm so grateful for them all.”

Home Seller

We truly cannot recommend Amanda highly enough after she helped us find our new townhome in Philly. Her deep and practical knowledge of the city's neighborhoods was invaluable from day one. What we valued most, however, was her refreshing and unwavering honesty. She listened intently to our needs and was "brutally honest" - in the best way possible - about properties, saving us so much time by steering us away from homes she knew wouldn't be a good fit. This showed us she was genuinely committed to our best interests, not just a quick sale. Thanks to her diligence and expertise, we found a townhome we absolutely love in a neighborhood we adore. Thank you Amanda!

Gloria

Our experience with the Costello group was amazing! JoEllen helped us to find exactly what we were looking for! She is professional and very knowledgeable. She never disappointed us! They helped us buying 3 properties in the city of Philadelphia. The process was so smooth and we highly recommend her to everyone!

Home Buyer

Joellen has been an absolute gem. She helped us with our home purchase in April of 2025 and since it was our first home, we had a litany of questions. Joellen was and has been immensely patient throughout this process and continues to go above and beyond even after we have bought our home. We will always recommend her blindly to those looking for real estate agents. She is one of a kind!

Amanda

Working with Michala & Sharon was an absolute pleasure from start to finish. Their knowledge of the local market, attention to detail, and genuine care for our needs made the entire process feel smooth and stress-free. They listened closely, offered thoughtful guidance, and were always available to answer questions big or small. Whether it was navigating negotiations or recommending trusted professionals, Michala & Sharon went above and beyond to ensure we felt supported every step of the way. We truly felt like we had an advocate in our corner. We are so grateful for their expertise and would highly recommend them to anyone looking to buy or sell a home.

Kari