A LinkedIn post from SERHANT Technologies highlights the marketing of a high-end penthouse unit, Penthouse B at 655 Sixth Avenue in Manhattan’s Chelsea neighborhood. The residence is presented as a large duplex in the landmarked O’Neill Building, combining historic cast iron architecture with contemporary luxury features.
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The post describes the unit as spanning more than 4,800 square feet of interior space and over 2,500 square feet of private outdoor space, with a 53 foot great room and extensive window exposure offering skyline views. It also notes a historic gold coated Neo Grec cupola that could serve as a private media room or office with 360 degree exposure.
Additional details in the post include multiple terraces, a secluded primary suite level, and access to full service condominium amenities, positioning the unit at the very high end of the New York residential market. The home is listed at $13.495 million with four bedrooms, three full baths, and one half bath, and is represented by an agent identified as Peter Ocean.
For investors, the content suggests SERHANT Technologies is actively involved in marketing marquee luxury listings in prime Manhattan neighborhoods, which may support brand visibility and deal volume in the upper-tier residential segment. While a single transaction would not be material on its own, consistent participation in this price bracket could indicate exposure to higher-commission opportunities and reinforce the firm’s positioning in competitive urban luxury markets.

