Landmark Flatiron Penthouse Heads to Auction for up to $14.9M

A historic Fifth Avenue penthouse atop Manhattan’s Sohmer Piano Building will sell through Concierge Auctions in July, with bids expected to start between $6 million and $9 million. The sale is tied to Sotheby’s “America 250” programming, and all proceeds will go to the Gorongosa Project in Mozambique.

Why it matters: - The penthouse is a rare chance to buy a landmark Manhattan residence with private outdoor space, panoramic views and direct proximity to the Flatiron Building. - The sale also carries a philanthropic angle: 100% of proceeds will support the Gorongosa Project in Mozambique. - The auction is part of Concierge Auctions’ larger “America 250” sale, which aims to spotlight premier U.S. real estate ahead of the nation’s 250th anniversary.

What happened: - Concierge Auctions will sell the penthouse atop the Sohmer Piano Building in Manhattan’s Flatiron District in cooperation with Lawrence Treglia and Claire Groome of Sotheby’s International Realty. - The residence is listed for $14.9 million. - Bids are expected to start between $6 million and $9 million. - Bidding opens July 15 on ConciergeAuctions.com and ends with a live auction July 29 at Sotheby’s New York. - The property is included in the firm’s “America 250” Sale lineup.

The details: - The Sohmer Piano Building was designed by architect Robert Maynicke in 1897. - The penthouse has been completely renovated while preserving its historic character. - The home includes more than 40 oversized windows and an 80-foot greenhouse-style window expanse. - Two grand foyers connect through a circular baronial limestone staircase. - The private roof deck and golden dome cupola provide 360-degree views of Manhattan landmarks, including the Empire State Building, Madison Square Park and the Flatiron Building. - The corner primary suite has three exposures, more than 35 linear feet of closet space and a spa-inspired bath with a Waterworks soaking tub. - Four additional bedrooms can serve guests, family or office space. - The property sits steps from Madison Square Park and near restaurants including Eataly, Union Square Cafe, Rezdôra, Hawksmoor and Hillstone. - Union Square’s transit hub is within a 10-minute walk. - Private showings are available by appointment in person or virtually. - Photos are credited to Eitan Gamliely and Shawn May Photography.

Between the lines: - Concierge Auctions is using the sale to market both rarity and provenance, two traits that can drive interest in trophy real estate. - The inclusion in Sotheby’s “America 250” programming positions the property as both a luxury asset and a collectible piece of New York history. - The donation structure may broaden appeal among bidders who want a high-profile purchase with a charitable outcome.

What's next: - Concierge Auctions will hold an online bidding period before the live auction in New York on July 29. - The sale will close through the firm’s Key for Key® giving program in partnership with Giveback Homes, funding a new home for a family in need. - Additional property details, a virtual tour and diligence materials are available through Concierge Auctions.