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515 West 23rd Street
Last updated on Jan 22, 2026

HL23,
515 West 23rd Street

HL23 at 515 West 23rd Street is a modern building overlooking the High Line in Chelsea, easily identifiable by its unique design. The building features luxurious residences with high-end amenities, eco-friendly construction, and is LEED Gold certified with convenient access to Chelsea's attractions. Currently, 1 apartment is for sale.

515 West 23rd Street Location Map
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Overview of HL23 at 515 West 23rd Street

Easily identifiable because of its unique and modern design, HL23 at 515 West 23rd Street overlooks the High Line in Chelsea.

Residences have floor-to-ceiling windows and range from 1,900 to 3,600 square feet. Apartments have keyed elevator access and large entry foyers, kitchens have new appliances and bathrooms feature top-of-the-line fixtures and finishes. The 11 residences include full-floor units, a duplex penthouse, and a two-floor maisonette. Modern touches include a remote-controlled window shade system and improved sound insulation.

Notable for its energy efficient appliances and eco-friendly building materials, HL23 is LEED Gold certified with 100% of its energy coming from green power. Residents have access to concierge service and a 24-hour doorman, as well as central air conditioning, basement storage, a health and fitness club and a video intercom security system. 515 West 23rd Street is close to Chelsea’s restaurants, shops and art galleries.

Doorman
Full Time
Type
Condo
Year Built
2008
Apartments
Floors
14
Pets: Allowed
Neighborhood
Min Down
20%

Amenities

  • FT Doorman
  • High-Rise
  • Post War
  • Resident Storage
  • Central AC
  • Health Club
  • Rooftop Terrace
  • Video Intercom
  • Washer/Dryer in building
  • Elevator
  • Fitness Center
  • Outdoor Entertainment Space
  • In-Unit Washer/Dryer
  • Bike Room
  • Fireplaces
  • LEED Accreditation
  • Terraces / Balconies
{ "key" : "AIzaSyDquABdSLhathmwfnoTcYwA1BY6coZZyZk", "lat": 40.7482, "lng": -74.00465, "marker": { "icon": "https://img3.cityrealty.com/neo/i/w/amenities/base.png" } }

  1. C
  2. E
at 8th Ave and 25th 0.38 miles

Pros & Cons

  • Cantilevers over High Line Park
  • Large windows with diagonal bracing
  • 24-hour doorman
  • Very few apartments
  • Pets allowed
  • Prime Chelsea location
  • Convenient to art galleries and restaurants
  • Motorized window shades
  • Bicycle room
  • Applying for L.E.E.D. gold certification
  • No concierge
  • No balconies
  • No roof deck

CityRealty Rating

27
/44
Architecture
+
27
/36
Location
+
21
/39
Features
+
10
Editor’s Points
=
85
CITYREALTY
RATING
  • How is the CityRealty Rating calculated?

    Architecture
    • 30+ remarkable
    • 20-29 distinguished
    • 11-19 average
    • < 11 below average
    Location
    • 27+ remarkable
    • 18-26 distinguished
    • 9-17 average
    • < 9 below average
    Features
    • 22+ remarkable
    • 16-21 distinguished
    • 9-15 average
    • < 9 below average

Broker & Buyer Comments

This "architectural masterpiece" by Neil Denari offers "exclusive" full-floor residences in West Chelsea's gallery district. The "boutique" 11-unit building features "stunning" floor-to-ceiling windows and "sophisticated" interiors by Thomas Juul-Hansen. "Steps from the High Line," this "full-service" condo provides "private" keyed elevator access, 24-hour doorman, and a fitness center, making it a "modern sanctuary" in one of Manhattan's most vibrant neighborhoods.

Sales Summary

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Pricing Comparison of Similar Buildings

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Editorial Coverage

Alternate Addresses

  • 517 West 23rd Street
  • HL 23
The Greenwich by Rafael Vinoly
at the northwest corner of Thames Street
Financial District
Sun-drenched homes at the economic center of the world | Imminent occupancy
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