From day one, working with John Costello from Maloney Properties was an exceptional experience. He guided us step by step through the entire home-buying process, showing ...

John was absolutely exceptional throughout our condo-buying journey. His extensive knowledge of the condo market and the entire buying process made us feel confident and ...

John was a great help throughout the buying process and all of it's many twists and turns (primarily if this is your first home) ! Would strongly recommend him to other ...

Working with John was an incredible experience. He was extremely helpful throughout the entire apartment search, always offering clear guidance and quick support at every...

John is very knowledgeable, and incredibly helpful during the home buying process! He was very quick to resolve many of the issues I had encountered. Would definitely rec...

John did a great job helping us threw the process to purchase a condo in Wellesley. He was always available to answer questions and explain things to me. Would definitely...

I generally don't write reviews but wanted to express my thanks to John Costello and his team for an outstanding job guiding me through a complicated home buying proces...

John Costello and his team made this process seamless and their responses to my e-mails were fast. I really appreciate their work. I’d recommend John Costello and his tea...

Doris Lin was my primary point of contact with Maloney Properties, however, all of my contact with both her, and John Costello, was very pleasant and professional. They a...