An Architectural Scion is Reborn. Restrained Opulence!
Experience the pinnacle of Downtown luxury in the Penthouse at 170 Fifth Avenue, and historic landmark building.
Crowned by an iconic golden dome cupola, the Sohmer Piano Building is Architect, Robert Maynicke’s most extravagant work on this stretch of Fifth Avenue—a veritable Renaissance rocket ship soaring up from its double-story rusticated piers to an octagonal spire, shaping the city’s inimitable skyline.
This discreet penthouse, adjacent to the Flatiron building, has been completely renovated, blending true old-world charm with a twist of new development. The entire roof deck is deeded privately, offering a space to marvel at the city. Spanning over 5000 sqft, the residence features an open-concept design with soaring ceilings and windows that frame breathtaking views of the city skyline. The standout feature is the golden dome cupola—a private sanctuary that offers panoramic, 360-degree views of New York City, including landmarks like the Empire State Building, the Flatiron Building and Madison Square Park.
Inside, the penthouse boasts a gracious eat-in- kitchen with all the premium appliances, expansive living and dining areas that flow effortlessly, and a private rooftop space perfect for al fresco dining with the city as your backdrop. There are two grand foyers connected by a circular baronial limestone staircase and framed by more than 40 oversized windows. An 80-foot expanse of greenhouse-style set of windows on the upper level reveals an abundance of natural light and stunning views of Manhattan landmarks.
The corner primary suite offers a luxurious private retreat, featuring three directions of exposure, 35+ linear feet of closet space, leading to a spa-like bathroom with a Waterworks soaking tub. The additional three bedrooms provide flexibility for a home office or guest accommodations, all designed with the same attention to detail, views, and discerning consideration for a luxury lifestyle.
Owning this penthouse is not just about living in one of Manhattan’s finest residences—it’s about living in a piece of New York history.
Listed by Lawrence V Treglia
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License #30TR0951205
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Sothebys International Realty
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(212) 606-7660
Listed by Claire Groome Kurjakovic
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License #10301211087
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Sothebys International Realty
Last updated September 02, 2025
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Source: REBNY #RLS11020594
Listing Facts
TypeCondo
NeighborhoodFlatiron District
Bedrooms5
Bathrooms4.5
Days on Prevu303
HOA/Maint. Fees$6,374/month
Taxes$128,700/year
Size5,777 sqft
Price per sqft$3,375
Amenities
Pets Allowed
Location
Mortgage Calculator
Listing History
09/02/2025
Status changed to Active
$19,500,000
07/04/2025
Status changed to Removed from Feed
$19,500,000
06/13/2025
Price Decreased
$19,500,000
05/08/2025
Price Decreased
$22,000,000
01/17/2025
Status changed to Active
$25,000,000
01/16/2025
Status changed to Removed from Feed
$25,000,000
11/17/2024
Status changed to Active
$25,000,000
11/16/2024
Status changed to Removed from Feed
$25,000,000
11/11/2024
Listed by Sothebys International Realty
$25,000,000
Estimated Closing Costs
Total
$1,080,050
Attorney Fees
$4,000
NYC Mansion Tax
$682,500
Title Insurance
$87,750
Bank Attorney
$1,500
Mortgage Recording Tax
$300,300
Other Closing Costs
$4,000
Estimated closing costs are based on the list price of $19,500,000 and a 20% downpayment. These estimates are for indicative purposes only. Actual closing costs may vary for each transaction. See the Closing Costs Calculator for calculations specific to your situation.
Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.