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No matter where you are on your home journey, we are confident that we can help guide you in the right direction. Let’s start by exploring your area!

Our Story, So Far.


The ONE Group specializes in the marketing, listing, and selling of new and resale luxury homes. From contract to closing, The ONE Group offers the total sales & marketing solution.

The ONE Group, Monument Sotheby’s International Realty specializes in the marketing, listing, and selling of new and resale homes. With over 60 years of combined experience, The ONE Group offers a total sales and marketing solution, our team stands out from others. Whether you’re a buyer, seller, or developer, we can professionally represent you in your Real Estate transactions.

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New Construction

The ONE Group works with award-winning builders and can help guide people when it comes to building their dream home.

Driven to help you achieve your goals

The ONE Group stands out from other real estate agencies. We are experts in new home sales, resale and marketing. With over 60 combined years of experience, we offer you the knowledge and resources to sell your communities.

Which best describes you?


Why people love working with us.

Highly likely to recommend

“Jocelyn knows the intricacies of real estate and the Baltimore market in particular very well. She has guided me expertly through several complex real estate investment deals, both on the buying and selling ends over the past year.

She is immediately responsive and available…”

Highly likely to recommend

“Michelle Barwick, of The One Group, helped me search for and successfully close on my dream home without a glitch. Her professionalism, excellent communication and market expertise made the process simple and enjoyable. She was always one step ahead and prepared for all situations, …”

Highly likely to recommend

“We truly appreciate all of the work that the team did to sell our home! There was never a showing request that Lisa and her team turned down! We even had showing requests for our home on a busy holiday and during a terrible storm! The team was there. We also had a month where the team…”

Highly likely to recommend

“Lisa, Lindsey and the rest of the team were outstanding. They exceeded every expectation that I had related to the sale of our home. When we needed guidance on staging, Lisa and her team were there. When we needed person power to help move furniture, Lisa and her team were there…”

Sold a Single Family home in 2019 in Baltimore, MD

Highly likely to recommend

“Arabella Brockett, Lisa Alatis-Hapney and The ONE Group were an absolute pleasure to work with. We discussed price and strategy in great detail with Arabella, who was always honest when guiding us through the process. She priced it to sell and we ended up with a fantastic deal well…”

Sold a Single Family home in 2020 in Cockeysville, MD

Highly likely to recommend

“Shelia did an excellent job! She was very responsive and on top of things. I would definitely recommend her. I enjoyed working with her. When the process of selling my home and buying a new one became a bit overwhelming, she was very reassuring. She helped me to feel at ease.”

Bought and sold a Single Family home in 2020 in Baltimore, MD

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