A little about me

With over eight years of experience in the Baltimore real estate market, I advise clients who value discretion, clarity, and strong representation. Having grown up in the area, my understanding of Baltimore goes beyond surface-level neighborhood descriptions. I look beyond square footage and comps to how a property functions day to day. From layout and natural light to privacy and flow, I focus on how a home truly feels in real life, not just how it appears on paper.

I take a highly intentional, client-first approach to real estate. I work with buyers, sellers, and investors who want thoughtful guidance, direct communication, and a steady hand throughout the process. I’m known for being candid, detail-oriented, and strategic, particularly in competitive situations where preparation and positioning make the difference.

Real estate decisions carry weight. My role is to protect my clients’ interests, anticipate issues before they arise, and ensure every move is made with purpose. If you’re looking for refined representation and a relationship built on trust, judgment, and results, I’d welcome the opportunity to work together.

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"My wife Marie and I wanted to offer a few comments to you directly (copying Mr. Undem, Owner of The Sure Group, BH) We have been working with you for about four months now (today is 7 22 25) Just yesterday the documents were completed to close on my $402k home at 1429 Adamsview Road Catonsville MD 21228; and the wire transfer funds were received this morning But that is the end and the result;Read MoreRead Less
"Worked with Brendon for several months, from casually browsing till closing in Canton. Easy to talk with and a good listener, no pressure to close or go bigger. Quick to respond to questions or setting up showings. Had good recommendations for mortgage brokers, general contractors, etc. that had previously worked well with him. Best realtor I've ever met!"
"Brendon is really knowledgeable about his work and he'll give you great advice. His team is also super professional and proactive"
"Great experience, Brendon and team made everything super simple and helped with every step."
"Selling my home with the SURE sales group was an amazingly easy and enjoyable experience. Andrew Undem and Tara Franke We’re extremely diligent and effective throughout the process. I would highly recommend them to anyone who wants to have their home sold at the best price and in a short amount of time."
"Working with Andrew Undem as our sellers agent was an absolute pleasure! He provided an innovative marketing plan, utilized his superior negotiation skills to secure an above asking price and was attentive throughout the whole sale of our house. Hands down, best realtor you could ever ask for !!"
"Andrew Undem from Sure Group made selling my home smooth and stress-free. He was professional, responsive, and connected me with great contractors to get the home ready at a fair price. Thanks to his expertise, it sold quickly and for a great price."
"I had the opportunity to work with Andrew Undem and I couldn’t have asked for a better realtor, advocate, and supporter. He took the time to find out what kind of house I was interested in, helped show dozens of houses over multiple months, and took the time to educate me about the home buying process. We found a home that perfectly matched my needs and he put together a competitive offer that metRead MoreRead Less
"We feel lucky to have had Andrew represent us in selling our Fells Point home! From the first meeting, Andrew impressed us with his deep understanding of our neighborhood, our specific type of home, and how the current market conditions would factor into the transaction. He was very intentional about coming up with a strategy that was customized to our specific needs, rather than laying out a geneRead MoreRead Less
"It was truly great working with Brendon. He was incredibly communicative throughout the entire process and consistently went above and beyond to make sure both buyers and sellers made it to the closing table. He literally did everything in his power to ensure his clients got the home they wanted. As a fellow agent, I highly recommend his services—he's dedicated, reliable, and a true professional."

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