Fifth Avenue penthouse sells in live Sotheby’s auction for $10.147M

A landmark Flatiron District penthouse in Manhattan sold after 37 days of auction marketing at Sotheby’s New York, with all proceeds set to support conservation and health projects in Mozambique. The sale highlights how luxury auctions can move trophy properties quickly while directing capital to philanthropy.

Why it matters: - The penthouse sale combines a rare Manhattan trophy asset with a high-profile charitable outcome. - All proceeds will support the Gorongosa Project in Mozambique, linking a luxury real estate transaction to conservation, education and health care funding. - The closing also triggers funding through Concierge Auctions’ Key For Key® giving program for new homes for families in need.

What happened: - Concierge Auctions said a penthouse atop the landmark Sohmer Piano Building in Manhattan’s Flatiron District is pending sale for $10.147 million. - The property sold after 37 days of auction marketing. - The live sale closed on 29 July at Sotheby’s New York as part of the firm’s “America 250” Sale. - Concierge Auctions offered the property with Lawrence Treglia and Claire Groome of Sotheby’s International Realty. - The penthouse was listed for $14.9 million.

The details: - The residence sits on Fifth Avenue next to the Flatiron Building. - Architect Robert Maynicke designed the Sohmer Piano Building in 1897. - The penthouse was completely renovated while preserving the building’s landmark character. - The home includes more than 40 oversized windows. - The property has an 80-foot greenhouse-style window expanse. - Two grand foyers connect through a circular baronial limestone staircase. - The roof deck is privately deeded. - A golden dome cupola provides 360-degree views of Manhattan. - Views include the Empire State Building, Madison Square Park and the Flatiron Building. - The corner primary suite has three exposures and more than 35 linear feet of closet space. - The primary bath includes a Waterworks soaking tub. - Four additional bedrooms can serve guests, family or office space. - The Flatiron District location puts the home near Madison Square Park and dining spots including Eataly, Union Square Cafe, Rezdôra, Hawksmoor and Hillstone. - Union Square’s transportation hub is within a ten-minute walk. - Photos of the property are available online, and the listing notes image credit to Eitan Gamliely and Shawn May Photography.

Between the lines: - The sale underscores continued demand for unusual, history-rich New York City properties when paired with a controlled auction timeline. - The charitable structure gives the deal a broader story than price alone, which can expand buyer appeal for some luxury transactions. - The “America 250” branding suggests Concierge Auctions is using a patriotic theme to frame premier American real estate offerings. - The seller founded the Gorongosa Project, making the philanthropic connection central to the transaction rather than a side benefit.

What’s next: - The closing will direct funds to the Gorongosa Project for national park management, preschool expansion, after-school programs for girls and mobile health clinics in remote areas. - The mobile clinics are expected to serve up to 300,000 people a year. - Concierge Auctions said more information, including property details, a virtual tour and diligence documents, is available through its sales channels.

The bottom line: - A rare Manhattan penthouse sold fast, at auction and for a cause, turning a Fifth Avenue landmark into both a real estate headline and a philanthropy engine.