Milton Coste

21 Chelsea Penthouse Apartments

Top-floor luxury with panoramic city views in Chelsea, Manhattan

All NYC Chelsea
21 results
331 W 14th Street #PHB For Sale
Jared Blumberg at Compass
$825,000

1 bd · 2 ba · Co-op

331 W 14th Street #PHB, New York City

MLS: RLS20118214 RLS at REBNY
545 W 20th Street #PH6/7B For Sale
Daniel Blatman at Compass
$5,350,000

3 bd · 3 ba · 2,894 sqft · Condo

545 W 20th Street #PH6/7B, New York City

MLS: RLS20115916 RLS at REBNY
405 W 23rd Street #PHAB For Sale
Jonathan Hettinger at Sothebys International Realty
$12,900,000

4 bd · 5 ba · Co-op

405 W 23rd Street #PHAB, New York City

MLS: RLS20100267 RLS at REBNY
405 W 23rd Street #PHB For Sale
Jonathan Hettinger at Sothebys International Realty
$8,950,000

2 bd · 3 ba · Co-op

405 W 23rd Street #PHB, New York City

MLS: RLS20099773 RLS at REBNY
420 W 25th Street #PHA For Sale
Glenn J Norrgard at Sothebys International Realty
$3,900,000

2 bd · 3 ba · 1,985 sqft · Condo

420 W 25th Street #PHA, New York City

MLS: RLS20010555 RLS at REBNY
250 W 15th Street #PH6E For Sale
Jeremiah Doyle at Compass
$695,000

Studio · 1 ba · Co-op

250 W 15th Street #PH6E, New York City

MLS: RLS20121772 RLS at REBNY
456 W 19th Street #PHG For Sale
Stephen Ferrara at Compass
$5,350,000

2 bd · 3 ba · 2,254 sqft · Condo

456 W 19th Street #PHG, New York City

MLS: RLS20117714 RLS at REBNY
252 7TH Avenue #PHC For Sale
Deborah H Baum at Brown Harris Stevens Residential Sales LLC
$5,490,000

3 bd · 3 ba · 2,227 sqft · Condo

252 7TH Avenue #PHC, New York City

MLS: RLS20115372 RLS at REBNY
128 W 26th Street #PH For Sale
Aaron Mazor at Compass
$2,650,000

3 bd · 2 ba · 1,426 sqft · Condo

128 W 26th Street #PH, New York City

MLS: RLS20088219 RLS at REBNY
428 W 19TH Street #PH For Sale
Richard E Hottinger at Corcoran Group
$9,950,000

4 bd · 5 ba · 3,421 sqft · Condo

428 W 19TH Street #PH, New York City

MLS: RLS20021302 RLS at REBNY
192 8th Avenue #PH For Sale
Victoria A Terri-Cote at Cote Luxury Real Estate
$4,500,000

3 bd · 3 ba · 1,587 sqft · Condo

192 8th Avenue #PH, New York City

MLS: RLS20121223 RLS at REBNY
252 7th Avenue #PHP For Sale 3D
Honore A Connor at Compass
$4,995,000

3 bd · 4 ba · 2,525 sqft · Condo

252 7th Avenue #PHP, New York City

MLS: RLS20070076 RLS at REBNY

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This 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.

Listings are updated approximately every 15 minutes. Data displayed by Keller Williams NYC.

RLS at REBNY

Penthouse Apartments for Sale in NYC

Any top-floor apartment in NYC can be marketed as a penthouse, from a 650-square-foot studio on the 6th floor to a 5,000-square-foot full-floor residence in a 60-story tower. After 25+ years representing buyers in Central Park South, Tribeca, and across the outer boroughs, I advise every penthouse buyer to evaluate four factors: private outdoor space quality, mechanical equipment on the roof above, roof membrane condition, and the thermal exposure that comes with a top-floor position.

FAQ: Are there unique maintenance costs for a NYC penthouse?

Yes. Top-floor units have higher heating and cooling costs due to roof exposure. If the penthouse includes a private roof terrace, waterproofing membrane maintenance is often the owner's responsibility, and resurfacing can cost $30,000-$80,000+.

FAQ: What is the price premium for a penthouse?

The premium ranges from 15% to over 100% above comparable lower-floor units, depending on views, outdoor space, ceiling heights, and building tier. In luxury Midtown East condos, full-floor penthouses can price at a multiple of lower floors. View current listings on our NYC apartment search.

FAQ: Can neighboring buildings obstruct a penthouse's views?

Yes. There are no legal protections for air rights or views in NYC unless adjacent air rights have been purchased. Research the zoning envelope of adjacent parcels. See our NYC buyer guide for view risk guidance.

Buying Tip from Milton Coste

Visit the unit at night as well as during the day. City views after dark are a major part of the value, and you want to verify there is no mechanical equipment noise from rooftop HVAC units that only becomes audible when ambient street noise drops. Ask the managing agent about recent rooftop equipment upgrades.

Buildings with Penthouses on the Market Now

Grouped from the live RLS penthouse listings on this page, so the list changes as listings come and go.

Milton Coste, Licensed Real Estate Associate Broker

Milton Coste

Licensed Real Estate Associate Broker

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NYC Homes $1M-$2M

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Below-market deals from motivated sellers

Penthouse Apartments in Other Manhattan Neighborhoods

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Milton Coste, Licensed Real Estate Associate Broker, KWNYC