Milton Coste

60 Chelsea Outdoor Space Apartments

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

All NYC Chelsea
60 results
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
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
434 W 23rd Street #C For Sale
Glenn J Norrgard at Sothebys International Realty
$1,995,000

2 bd · 2 ba · Co-op

434 W 23rd Street #C, New York City

MLS: RLS20086433 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
517 W 29th Street #2H For Sale
Yaakov K Lahav at Living New York
$1,650,000

2 bd · 2 ba · 933 sqft · Condo

517 W 29th Street #2H, New York City

MLS: RLS20105339 RLS at REBNY
517 W 29th Street #7E For Sale
Yaakov K Lahav at Living New York
$1,675,000

2 bd · 1 ba · 914 sqft · Condo

517 W 29th Street #7E, New York City

MLS: RLS20105335 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
500 W 18th Street #W22A For Sale
Nick Oliver at Hauseit LLC
$10,950,000

3 bd · 4 ba · 2,345 sqft · Condo

500 W 18th Street #W22A, New York City

MLS: RLS20092780 RLS at REBNY
270 W 17th Street #2A For Sale
Kenneth J Hurley at Industrie Residential
$3,895,000

2 bd · 2 ba · 1,200 sqft · Condo

270 W 17th Street #2A, New York City

MLS: RLS20099696 RLS at REBNY
140 W 22nd Street #2D For Sale
SEAN D BREWER at Compass
$1,250,000

1 bd · 1 ba · 915 sqft · Condo

140 W 22nd Street #2D, New York City

MLS: RLS20079420 RLS at REBNY
261 W 25TH Street #4E For Sale
Lallit Chhibber at Brown Harris Stevens Residential Sales LLC
$1,350,000

1 bd · 1 ba · 783 sqft · Condo

261 W 25TH Street #4E, New York City

MLS: RLS20086060 RLS at REBNY

Showing 12 of 60 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 sole 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