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405 W 23rd Street #PHAB, 
Manhattan, NY 10011

$12,900,000


4

Beds


5

Baths


668,258

Sq Ft


Co-op

Active

Listed by

Jonathan Hettinger

Mark T Amadei

Sothebys International Realty

Last updated:

September 19, 2026, 03:56 AM

MLS#

RLS20100267

Source:

NY REBNY

About This Home

405 W 23rd Street #PHAB

Presenting a truly once-in-a-generation opportunity to create an extraordinary full-floor penthouse residence atop the iconic London Terrace Towers. Offered together, Penthouse A and Penthouse B provide a rare full-floor presence and the opportunity to seamlessly combine two exceptional homes into a bespoke 4+ bedroom penthouse oasis, crowned by expansive wraparound terraces with breathtaking 360-degree skyline views, subject to review by the purchaser’s architect and Board approval. Rarely does a residence of this scale become available, offering the coveted combination of full-floor privacy, exceptional outdoor living, and panoramic exposures in one of Chelsea’s most iconic prewar buildings. The combined offering allows for the creation of a grand-scale home that is both elegant and highly functional, with the privacy and exclusivity typically reserved for the city’s finest penthouses. Alternatively, the residences may remain separate, preserving two beautifully appointed two-bedroom, two-bathroom penthouses ideal for guests, extended family, live-work flexibility, or any lifestyle that benefits from privacy while maintaining close connection. Designed by the renowned architectural firm Farrar & Watmough and completed in 1930, London Terrace Towers stands among Chelsea’s most distinguished prewar cooperatives. Residents enjoy an exceptional collection of amenities, including a state-of-the-art fitness center, heated indoor swimming pool, sauna, steam room, beautifully landscaped private gardens, rooftop deck, bicycle storage, laundry facilities, and an on-site parking garage. Perfectly positioned alongside the High Line and moments from Chelsea’s celebrated galleries, acclaimed dining destinations, cultural institutions, and vibrant theater scene, this remarkable offering presents a rare opportunity to craft a trophy penthouse residence defined by iconic views, expansive outdoor living, full-floor privacy, architectural pedigree, and limitless potential. Penthouse A is available exclusively in conjunction with Penthouse B and is not being offered separately.

Home Facts

Co-op

5 Baths

4 Bedrooms

Built in 1930

Subdivision & Development:

Chelsea

Price Summary

12,900,000

$19 per Sq. Ft.

MLS #:

RLS20100267

Last Updated:

September 19, 2026, 03:56 AM

Added:

2 month(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

5

Full Bathrooms:

4


Structure

Structure

Architectural Style:

Prewar

Building Area:

668,258 Sq. Ft.

Year Built:

1930


Finances & Disclosures

Finances

Price:

$12,900,000

Price per Sq. Ft:

$19 per Sq. Ft.

MLS Logo
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. RLS Data display by Coldwell Banker Warburg This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.