Milton Coste

78 Chelsea Outdoor Space Apartments

Private terraces, balconies, and rooftop access in Chelsea, Manhattan

All NYC Chelsea
78 results
130 W 19TH Street #THD For Sale
Jon Amundsen at The Agency Brokerage
$3,600,000

3 bd · 3 ba · 1,652 sqft · Condo

130 W 19TH Street #THD, New York City

MLS: RLS20094424 RLS at REBNY
85 8TH Avenue #5W For Sale
Deanna Cari LLoyd at Brown Harris Stevens Residential Sales LLC
$610,000

Studio · 1 ba · Co-op

85 8TH Avenue #5W, New York City

MLS: RLS20086438 RLS at REBNY
434 W 23rd Street #C For Sale
Glenn J Norrgard at Sothebys International Realty
$2,200,000

2 bd · 2 ba · Co-op

434 W 23rd Street #C, New York City

MLS: RLS20086433 RLS at REBNY
170 W 23rd Street #5R For Sale
Lawrence Hakimi at Compass
$595,000

Studio · 1 ba · 432 sqft · Condo

170 W 23rd Street #5R, New York City

MLS: RLS20083194 RLS at REBNY
215 W 28TH Street #20B For Sale
Fredrik Eklund at Douglas Elliman Real Estate
$4,775,000

3 bd · 3 ba · 1,675 sqft · Condo

215 W 28TH Street #20B, New York City

MLS: RLS20039231 RLS at REBNY
215 W 28TH Street #18B For Sale
Fredrik Eklund at Douglas Elliman Real Estate
$5,490,000

4 bd · 5 ba · 2,195 sqft · Condo

215 W 28TH Street #18B, New York City

MLS: RLS20087771 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
408 8th Avenue #5C For Sale 3D
Ray Yoo at Compass
$980,000

1 bd · 1 ba · 712 sqft · Condo

408 8th Avenue #5C, New York City

MLS: RLS20074287 RLS at REBNY
527 W 27th Street #6S For Sale
Shannon Eidman at Compass
$4,600,000

2 bd · 3 ba · 1,997 sqft · Condo

527 W 27th Street #6S, New York City

MLS: RLS20085911 RLS at REBNY
545 W 20TH Street #5B For Sale
Joshua B Rubin at Douglas Elliman Real Estate
$5,500,000

3 bd · 4 ba · 3,647 sqft · Condo

545 W 20TH Street #5B, New York City

MLS: RLS20082262 RLS at REBNY
450 W 23RD Street #E For Sale
Joshua B Rubin at Douglas Elliman Real Estate
$1,895,000

2 bd · 3 ba · Co-op

450 W 23RD Street #E, New York City

MLS: RLS20072986 RLS at REBNY
121 W 20TH Street #2D For Sale
Geoffrey Gottlieb at Christies International Real Estate Group LLC
$2,000,000

1 bd · 2 ba · 1,650 sqft · Condo

121 W 20TH Street #2D, New York City

MLS: RLS20069773 RLS at REBNY

Showing 12 of 78 outdoor space apartments

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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

Apartments With Outdoor Space for Sale in NYC

Private outdoor space is among the most sought-after features in the NYC apartment market. A true private terrace over 200 square feet can command a 20-35% premium over equivalent interior square footage. In my experience working with buyers across Brooklyn Heights, Astoria, and Upper Manhattan, understanding the maintenance responsibilities, legal status, and structural condition of any outdoor space is essential before making an offer.

FAQ: Who maintains a private terrace in a NYC co-op or condo?

This varies by building. In most NYC co-ops, the terrace is a limited common element: the shareholder has exclusive use but the building retains structural responsibility. If the waterproofing membrane fails, repair costs may be shared. Have your attorney review the outdoor space provisions. See our co-op buying guide for details.

FAQ: Is outdoor space included in the listed square footage?

No. In NYC, outdoor terrace and balcony square footage is not included in the interior square footage. A listing showing "850 sq ft with 200 sq ft terrace" means 850 square feet of interior space. Ask for a floor plan showing both interior and exterior dimensions.

FAQ: Can I enclose or modify my NYC apartment terrace?

Generally not without board approval and NYC DOB permits. Most buildings prohibit permanent structures on terraces. Enclosing a terrace requires both building and DOB approval. Request the building's alteration rules before purchasing with renovation plans. Our property search includes current outdoor space listings.

Buying Tip from Milton Coste

Check the terrace's orientation and what faces it. A north-facing terrace flanked by tall towers may receive almost no sunlight. A south-facing terrace with unobstructed views can be one of the most valuable assets in NYC. Also ask about the waterproofing membrane's age: resurfacing can cost $30,000-$80,000+ and may be assessed to you.

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