Milton Coste

16 Flushing Penthouse Apartments

Top-floor luxury with panoramic city views in Flushing, Queens

All NYC Flushing
16 results
138-18 Northern Boulevard #8L For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$660,510

1 bd · 1 ba · 537 sqft · Condo

138-18 Northern Boulevard #8L, New York City

MLS: RLS20096826 RLS at REBNY
138-35 39TH Avenue #16A For Sale
ZHAOHUA ZHANG at Douglas Elliman Real Estate
$1,990,000

3 bd · 3 ba · 2,181 sqft · Condo

138-35 39TH Avenue #16A, New York City

MLS: RLS20084551 RLS at REBNY
134-16 35th Avenue #4F For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$785,000

2 bd · 2 ba · 799 sqft · Condo

134-16 35th Avenue #4F, New York City

MLS: RLS20087984 RLS at REBNY
138-18 Northern Boulevard #PH1F For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$1,383,220

2 bd · 2 ba · 1,006 sqft · Condo

138-18 Northern Boulevard #PH1F, New York City

MLS: RLS20091390 RLS at REBNY
138-18 Northern Boulevard #8G For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$805,730

1 bd · 1 ba · 651 sqft · Condo

138-18 Northern Boulevard #8G, New York City

MLS: RLS20091389 RLS at REBNY
138-18 Northern Boulevard #16B For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$1,219,500

2 bd · 2 ba · 920 sqft · Condo

138-18 Northern Boulevard #16B, New York City

MLS: RLS20085806 RLS at REBNY
138-18 Northern Boulevard #7A For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$1,141,520

2 bd · 2 ba · 924 sqft · Condo

138-18 Northern Boulevard #7A, New York City

MLS: RLS20085803 RLS at REBNY
138-18 Northern Boulevard #6D For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$703,290

1 bd · 1 ba · 591 sqft · Condo

138-18 Northern Boulevard #6D, New York City

MLS: RLS20080453 RLS at REBNY
138-18 Northern Boulevard #10G For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$845,000

1 bd · 1 ba · 651 sqft · Condo

138-18 Northern Boulevard #10G, New York City

MLS: RLS20068425 RLS at REBNY
138-18 Northern Boulevard #7L For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$649,770

1 bd · 1 ba · 537 sqft · Condo

138-18 Northern Boulevard #7L, New York City

MLS: RLS20062430 RLS at REBNY
138-18 Northern Boulevard #11J For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$684,675

1 bd · 1 ba · 537 sqft · Condo

138-18 Northern Boulevard #11J, New York City

MLS: RLS20068428 RLS at REBNY
138-18 Northern Boulevard #8D For Sale
VICKI ZHI SAALI at GLOBAL REAL ESTATE VENTURES GROUP LLC
$726,930

1 bd · 1 ba · 591 sqft · Condo

138-18 Northern Boulevard #8D, New York City

MLS: RLS20068419 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.

Milton Coste, Licensed Real Estate Associate Broker

Milton Coste

Licensed Real Estate Associate Broker

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Skip the laundromat with in-unit washer and dryer
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Work out steps from your front door
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Below-market deals from motivated sellers

Penthouse Apartments in Other Queens Neighborhoods

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Milton Coste, Licensed Real Estate Associate Broker, KWNYC