
Meet Mark O'Brien
Get to know Mark O'Brien
Real Estate Agent
Dynamic and well-rounded real estate veteran Mark O'Brien brings a keen eye for value and opportunity to each and every engagement, thanks to his strong background in residential property development, building and business. As a developer, a licensed New Home Builder and a licensed real estate professional, Mark has an enviable talent for finding the right location, at the right time and at the right price, resulting in record-breaking sales and ...
Team listings & sales (93)
For Sale (1)
Address | Bed/Bath | Listing price |
---|---|---|
![]() 252 E 7th St #1B New York, NY 10009
| 1 Bed, 1 Bath | $550,000 |
Sold (92)
Address | Sold date | Closing price | Represented | Flag Sale |
---|---|---|---|---|
7/31/2025 | $2,365,000 | Buyer | ||
7/10/2025 | $770,000 | Buyer | ||
1/16/2025 | $1,775,000 | Buyer | ||
10/24/2024 | $585,000 | Buyer and Seller | ||
9/3/2024 | $736,000 | Buyer |
Team reviews (16)
Write a review- Highly likely to recommend||5.05.0
2/1/2025 - njd0815
Bought and sold a home in 2024.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMark and his team have helped me to both buy and sell properties. They are extremely knowledgeable and professional, and develop smart strategies to meet individual goals. They are among the very best in the industry, and I hope to continue to utiliz... - Highly likely to recommend||5.05.0
1/19/2025 - pmark37
Bought a home in 2024.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMark O'Brien is an exceptional real estate broker who brings extensive experience and professionalism to the New York City real estate market. His deep knowledge of co-op properties and the Manhattan real estate landscape makes him an outstanding cho... - Highly likely to recommend||5.05.0
1/17/2025 - zuser20180122170358869
Bought a Condo home in 2024 in Soho, New york, NY.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMark was great to work with. He has deep knowledge and helped guide us in our purchase. He helped us consider the pro and cons of various aspects of each property we viewed and ultimately we were very happy with our choice. - Highly likely to recommend||5.05.0
10/27/2024 - mlangbert4
Bought a home in 2024.
Review for Member: Brian WorthmanLocal knowledgeProcess expertiseResponsivenessNegotiation skillsBrian did an outstanding job as a real estate agent. If you are looking to buy or sell a property in the city of New York, Brian is the best expert. Because he understands construction, he can save you money and help you make excellent decisions. He... - Highly likely to recommend||5.05.0
5/31/2023 - allis815
Found a tenant for a Apartment home in Gowanus, Brooklyn, NY.
Review for Member: Brian WorthmanLocal knowledgeProcess expertiseResponsivenessNegotiation skillsBrian helped us find a replacement tenant to assign our lease when we needed to leave our apartment early. Extremely knowledgeable, responsive, and pleasant to work with. And, of course, got the apartment rented out quickly!