Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
170 Fifth Avenue #PH
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Active For Sale Condo

$14,900,000

$2,579 per sq ft

170 Fifth Avenue #PH

Flatiron, Manhattan

MLS® #RLS11020594

RLS at REBNY

Listing by Sothebys International Realty

5

Bedrooms

4.5

Baths

5,777

Sq. Ft.

1898

Year Built

Quick Summary

Bedrooms 5
Bathrooms 5 full, 1 half
Living Area 5,777 sq ft
Lot Size 3,480 sq ft
Year Built 1898
Ownership Condo
HOA/Common Charges $6,374/mo
Property Taxes $128,700/yr
Neighborhood Flatiron
Floor 12 of 13

Property Highlights

  • Views: City
  • Exposure: East,North,South,West facing
  • Fireplace: 1 fireplace

Property Details

Type Condo
Ownership Condominium
Total Rooms 10
Baths 4 Full, 1 Half
Floor 12 of 13
View City
Exposure East,North,South,West
Pets Yes
Cross Street 21st-22nd
Year Built 1898
Living Area 5,777 sq ft
Structure Type Duplex
Furnished Unfurnished
Lot Size 3,480 sq ft
Block/Lot 00823/1013

Listing History

Event Date Price Change
Listed Nov 11, 2024 $25,000,000 -
Price Reduced Jan 8, 2026 $17,975,000 -28.1%
Currently May 4, 2026 $14,900,000 -17.1%

Description

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.

Features & Amenities

Interior Features

Common On Floor In Unit Fireplace (1)

Exterior Features

Building Roof Deck

Building Amenities

Elevators

Building Information

Building Data View Compliance & Permits
Total Units 11
Stories 13
Structure Duplex

Financial Details

Common Charges $6,374/mo
RE Taxes $128,700/yr ($10,725/mo)
Original Price $25,000,000
Previous Price $17,975,000

The Flatiron District is a busy intersection of history, technology, and luxury living. Named after the iconic Flatiron Building, the neighborhood is centered around Madison Square Park and is a hub for the city's 'Silicon Alley.' The real estate market is famous for its grand cast-iron loft buildings with high ceilings and expansive floor plans, alongside ultra-luxury glass towers that offer modern amenities and central Manhattan convenience.

Flatiron Live Market Data

View Neighborhood

Active Listings

121

Median Asking Price

$2.25M

Median $/Sqft

$1,716

Avg Days on Market

N/A

New This Week

4

Price Reduced

27%

Sold (30 Days)

8

Median Sale Price

$2.80M

Live data from RLS at REBNY • Updated 5/4/26, 2:34 PM EST

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Location

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170 Fifth Avenue #PH, Flatiron, New York County • Near 21st-22nd

Virtual Tour

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1898
Year Built
128 years old
13
Floors
11
Residential Units
C6-4M
Zoning District
Condominiums Historic District: Ladies' Mile Historic District

Tax & Assessment

Assessed Value: $7,092,899
Land Value: $1,129,500
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 3,480 SF
Building Area: 36,827 SF
Built FAR: 10.58
Allowed FAR: 10

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed common charges are $6,374 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $128,700, or roughly $10,725 per month. Verify the current assessment with your attorney before closing.

This property has 5 bedrooms and 4 full bathrooms and 1 half bathroom.

The listed interior living area is 5,777 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1898, making it approximately 128 years old.

This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.

Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.

At the current list price of $14,900,000 for 5,777 sq ft, the asking price per square foot is approximately $2,579. This figure is for reference only and may differ from appraised or assessed values.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or mcoste@kwnyc.com. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS11020594
First Listed: 11/11/2024
On Market: 11/11/2024
Price Changed: 1/8/2026
Contract Date: 11/11/2024

Listing Courtesy of Sothebys International Realty - Lawrence V Treglia

Listing Contact: (212) 606-7660

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 5/4/2026 at 6:34 PM UTC

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