A gold-domed New York City penthouse first listed for $25 million has sold for $9 million

The buyer remains unknown. (Concierge Auctions) A historic Manhattan penthouse set inside a gold leaf dome has sold at auction for $9 million, ending a 530 day stretch on the market that saw its original asking price cut by 64 percent. The landmark home atop the historic Sohmer Piano Building in the Flatiron District was first listed for $25 million in November 2024 by technology entrepreneur and philanthropist Greg Carr. After failing to find a buyer through traditional channels, the unit was sold through Concierge Auctions as part of its live "America 250" sale in New York City, according to real estate reporting by the New York Post and CityRealty. Carr, a co-founder of Boston Technology, pledged to send all net proceeds from the sale to the Gorongosa Project, a conservation effort focused on restoring Mozambique's Gorongosa National Park and supporting the surrounding communities.A landmark architectural footprintThe penthouse sits atop the 13-story Beaux-Arts Sohmer Piano Building at 170 Fifth Avenue, originally designed in the 1890s by architect Robert Maynicke. Spanning about 5,777 square feet across two main levels, the home has five bedrooms and four and a half bathrooms. ...