Milton Coste

13 Upper East Side Penthouse Apartments

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

All NYC Upper East Side
13 results
1130 Park Avenue #PHA For Sale 3D
Wendy N Arriz at Sothebys International Realty
$7,750,000

3 bd · 3 ba · Co-op

1130 Park Avenue #PHA, New York City

MLS: RLS20072379 RLS at REBNY
152 E 94th Street #PHE For Sale
Jason Lee at Compass
$1,895,000

2 bd · 2 ba · Co-op

152 E 94th Street #PHE, New York City

MLS: RLS20111662 RLS at REBNY
61 E 77th Street #PH-9 / 10D For Sale
Nick Oliver at Hauseit LLC
$848,000

1 bd · 2 ba · Co-op

61 E 77th Street #PH-9 / 10D, New York City

MLS: RLS20110596 RLS at REBNY
988 5TH Avenue #PH For Sale 3D
Noble Black at Corcoran Group
$24,950,000

3 bd · 4 ba · Condo

988 5TH Avenue #PH, New York City

MLS: RLS20092420 RLS at REBNY
425 E 78th Street #PH6A For Sale
Katherine Gallivan Gallivan at Compass
$325,000

Studio · 1 ba · Co-op

425 E 78th Street #PH6A, New York City

MLS: RLS20109278 RLS at REBNY
19 E 88th Street #PHD For Sale
Kevin Huang at Howard Hanna NYC
$5,250,000

3 bd · 3 ba · 2,000 sqft · Co-op

19 E 88th Street #PHD, New York City

MLS: RLS20105197 RLS at REBNY
60 E 86TH Street #PH For Sale
Carrie Chiang at Corcoran Group
$23,000,000

4 bd · 5 ba · 4,932 sqft · Condo

60 E 86TH Street #PH, New York City

MLS: RLS20096690 RLS at REBNY
302 E 96th Street #PH3S For Sale
Patrick Lehman at Compass
$1,800,000

2 bd · 2 ba · 1,015 sqft · Condo

302 E 96th Street #PH3S, New York City

MLS: RLS20077053 RLS at REBNY
157 E 84TH Street #PH For Sale
Lisa Ellen Chajet at Coldwell Banker Warburg
$11,995,000

5 bd · 7 ba · 6,700 sqft · Condo

157 E 84TH Street #PH, New York City

MLS: RLS20095082 RLS at REBNY
255 E 77th Street #PHDUPLEX For Sale 3D
Alexa P Lambert at Compass
$37,500,000

7 bd · 7 ba · 7,206 sqft · Condo

255 E 77th Street #PHDUPLEX, New York City

MLS: RLS20075949 RLS at REBNY
255 E 77th Street #PHD For Sale 3D
Alexa P Lambert at Compass
$23,750,000

6 bd · 7 ba · 5,520 sqft · Condo

255 E 77th Street #PHD, New York City

MLS: RLS20090886 RLS at REBNY
133 E 73rd Street #PH For Sale
Adam D Modlin at Modlin Group LLC
$24,995,000

7 bd · 8 ba · 6,688 sqft · Condo

133 E 73rd Street #PH, New York City

MLS: RLS20061024 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.

What $2 Million Buys in Upper East Side

$7,750,000

Median asking price on this page

$3,181/sqft

Median, the 8 listings that publish square footage

9 of 13

Asking $2,000,000 or more

Between $1.6M and $2.4M, the band a $2 million budget actually shops in, this page currently holds 2 apartments. Those figures come from the live RLS listings rendered on this page and move with them, so they are a reading of today's inventory rather than a market average over time.

The ownership split decides most of the rest: 5 of these are co-ops and 8 are condominiums. A co-op purchase goes through a board that reviews your finances, can cap how much you finance, and sets the sublet policy, and a flip tax of roughly 1% to 3% is set by the building. A condominium removes the board review and the financing cap, which matters for a purchase through a trust or an entity and for an easier resale to a financed buyer, and usually costs more per square foot for the same apartment.

At exactly $2 million, the mansion tax steps up

The New York State mansion tax under Tax Law Section 1402-a applies at $1,000,000 and above, and the rate is charged on the entire purchase price rather than the amount over the line. It is 1% from $1,000,000 to $1,999,999 and 1.25% from $2,000,000 to $2,999,999, so a contract written at $2,000,000 owes $25,000 while one at $1,999,999 owes $20,000. One dollar of price costs the buyer $5,000, which is a real negotiating line on any listing sitting just above a bracket. The buyer pays it in cash at closing and it cannot be financed. Run your own number through the NYC mansion tax calculator, and see the buying and selling above $1M FAQ for the rest of the closing-cost stack.

Before you go to contract in either product, ask for the last two years of board or condominium minutes, the reserve fund balance, and any pending assessment. Facade, elevator, and roof work on an older building arrives as an assessment rather than a surprise, and those documents are where it shows up first. If a co-op is on your list, the co-op versus condo comparison lays out how board review, financing caps, and flip taxes change the arithmetic at this price.

Buying above $1M

Milton Coste, Licensed Real Estate Associate Broker

Milton Coste

Licensed Real Estate Associate Broker

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Milton Coste, Licensed Real Estate Associate Broker, KWNYC