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Mark O'Brien

Mark O'Brien DevelopmentLead of Mark O'Brien
Team

Recent Sales

Sales numbers represent all team members
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  • $2,365,000
    -- bd-- ba2,044 sqft Brooklyn, NY
    -- bd-- ba2,044 sqft
    Brooklyn, NY
    Sold 16 days ago
    Buyer
    587 10th St #1, Brooklyn, NY, 11215
  • $770,000
    3 bd2 ba0 sqft New York, NY
    3 bd2 ba0 sqft
    New York, NY
    Sold 1 month ago
    Buyer
    205 E 63rd St APT 7D, New York, NY, 10065
  • $1,775,000
    2 bd2 ba1,290 sqft Brooklyn, NY
    2 bd2 ba1,290 sqft
    Brooklyn, NY
    Sold 7 months ago
    Buyer
    128 Woodpoint Rd #3, Brooklyn, NY, 11211
  • $585,000
    1 bd1 ba795 sqft New York, NY
    1 bd1 ba795 sqft
    New York, NY
    Sold 10 months ago
    BuyerSeller
    225 E 57th St APT 18H, New York, NY, 10022
  • $736,000
    2 bd1 ba0 sqft Manhattan, NY
    2 bd1 ba0 sqft
    Manhattan, NY
    Sold 1 year ago
    Buyer
    234 W 21st St APT 3, Manhattan, NY, 10011
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6
Sales last 12 months
92
Total sales
$270K-$2.3M
Price range
$1M
Average price

Get to know Mark O'Brien

Real Estate Agent

Specialties
Buyer's AgentListing AgentInvestment PropertiesNew Construction
35 Years of experience

Team listings & sales (93)

For Sale
For Rent
Sold
This map can show the most recent 100 listings and 100 sales. Review all listings and sales below.

For Sale (1)

Sold (92)

Address
Sold date
Closing price
Represented
Flag Sale
7/31/2025$2,365,000Buyer
7/10/2025$770,000Buyer
1/16/2025$1,775,000Buyer
10/24/2024$585,000Buyer and Seller
9/3/2024$736,000Buyer

Team reviews (16)

Write a review
  • Highly likely to recommend5.05.0

    2/1/2025 - njd0815
    Bought and sold a home in 2024.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    Mark 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 recommend5.05.0

    1/19/2025 - pmark37
    Bought a home in 2024.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    Mark 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 recommend5.05.0

    1/17/2025 - zuser20180122170358869
    Bought a Condo home in 2024 in Soho, New york, NY.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    Mark 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 recommend5.05.0

    10/27/2024 - mlangbert4
    Bought a home in 2024.
    Review for Member: Brian Worthman

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    Brian 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 recommend5.05.0

    5/31/2023 - allis815
    Found a tenant for a Apartment home in Gowanus, Brooklyn, NY.
    Review for Member: Brian Worthman

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    Brian 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!

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    TEAM

    Mark O'Brien

    Mark O'Brien DevelopmentLead of Mark O'Brien
    6sales last 12 months
    92total sales
    $270K-$2.3Mprice range
    $1Maverage price
    35years of experience