Milton Coste

27 Upper West Side Penthouse Apartments

Top-floor luxury with panoramic city views in Upper West Side, Manhattan

All NYC Upper West Side
27 results
320 RIVERSIDE Drive #PH16B For Sale
Karen Burman at Douglas Elliman Real Estate
$2,195,000

2 bd · 2 ba · Co-op

320 RIVERSIDE Drive #PH16B, New York City

MLS: RLS20090488 RLS at REBNY
157 W 78TH Street #PH For Sale 3D
Ann Cutbill Lenane at Douglas Elliman Real Estate
$2,695,000

4 bd · 3 ba · Co-op

157 W 78TH Street #PH, New York City

MLS: RLS20069280 RLS at REBNY
205 W 89th Street #PH8 For Sale
Toni Haber at Compass
$749,000

1 bd · 1 ba · Co-op

205 W 89th Street #PH8, New York City

MLS: RLS20064014 RLS at REBNY
205 W 89th Street #PH6/7 For Sale 3D
Toni Haber at Compass
$3,495,000

4 bd · 4 ba · Co-op

205 W 89th Street #PH6/7, New York City

MLS: RLS20046988 RLS at REBNY
334 W 87TH Street #PHA For Sale 3D
Mary Elizabeth Adelson at Douglas Elliman Real Estate
$1,900,000

2 bd · 2 ba · Co-op

334 W 87TH Street #PHA, New York City

MLS: RLS20081376 RLS at REBNY
245 W 99TH Street #PH For Sale 3D
Lisa K Lippman at Brown Harris Stevens Residential Sales LLC
$9,950,000

6 bd · 7 ba · 4,568 sqft · Condo

245 W 99TH Street #PH, New York City

MLS: RLS20092983 RLS at REBNY
251 W 91st Street #PH-B For Sale
The Westly Sales Office at Reuveni LLC
$11,500,000

4 bd · 5 ba · 3,059 sqft · Condo

251 W 91st Street #PH-B, New York City

MLS: RLS10972033 RLS at REBNY
440 W END Avenue #PHD For Sale
Sarah Pemberton at Corcoran Group
$850,000

1 bd · 1 ba · Co-op

440 W END Avenue #PHD, New York City

MLS: RLS20089980 RLS at REBNY
610 W End Avenue #PH-A For Sale
Jacob B Lewis at R New York
$4,750,000

3 bd · 2 ba · 1,824 sqft · Co-op

610 W End Avenue #PH-A, New York City

MLS: RLS20089375 RLS at REBNY
300 CENTRAL Park #PH19J For Sale
Deborah A Kern at Corcoran Group
$10,500,000

3 bd · 4 ba · 2,800 sqft · Co-op

300 CENTRAL Park #PH19J, New York City

MLS: RLS20081478 RLS at REBNY
256 W 88TH Street #PH For Sale
Ravi Kantha at Serhant
$1,835,000

2 bd · 2 ba · 1,048 sqft · Co-op

256 W 88TH Street #PH, New York City

MLS: RLS20097884 RLS at REBNY
328 W 86th Street #PHA For Sale
ALEXANDER A MAHGOUB at Compass
$849,000

1 bd · 1 ba · Co-op

328 W 86th Street #PHA, New York City

MLS: RLS20097156 RLS at REBNY

Showing 12 of 27 penthouse apartments

View All 27 Listings →

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.

Milton Coste, Licensed Real Estate Associate Broker

Milton Coste

Licensed Real Estate Associate Broker

Hablo Español

Interested in Penthouse Apartments? Let me help you find the right one.

Browse More Amenities

Penthouse Apartments in Other Manhattan Neighborhoods

Looking for Penthouse Apartments in Upper West Side?

I help buyers find apartments with the right amenities every week. Let me do the searching for you.

Milton Coste, Licensed Real Estate Associate Broker, KWNYC