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3-bedroom apartment for sale in Midtown South-Flatiron-Union Square

6 W 20th St Fl 7, Midtown South-Flatiron-Union Square, Manhattan, New York, NY, 10011

$4,850,000
Asking price · in USD
Size
4,100 ft² (381 m²)
Available
Now

About this home

Apartment for sale in Midtown South-Flatiron-Union Square, Manhattan: 3 bedrooms, 2 bathrooms, 4,100 ft². Asking price $4,850,000. Built in 1907.

From the original listing · Realtor.comShow

Spanning approximately 4,100 square feet, the entire seventh floor at 6 West 20th Street presents a rare opportunity to acquire an expansive, authentic live/work loft at an exceptional value. Dramatic 12.5-foot ceilings, generous proportions, and an abundance of original architectural detail establish an extraordinary foundation. Original beamed ceilings, exposed brick, and oversized steel-casement windows lend the space an unmistakable industrial character, while open northern and southern exposures invite beautiful natural light in throughout the day. The result is a light-filled, authentic loft with a remarkable sense of scale and architectural integrity-qualities increasingly difficult to find in Manhattan. Situated within the Ladies' Mile Historic District, the distinguished building offers a connection to a storied chapter of New York's architectural and commercial history, when the surrounding streets formed one of Manhattan's most celebrated retail corridors. Today, the neighborhood seamlessly blends its historic character with a vibrant contemporary energy, defined by acclaimed restaurants, independent boutiques, destination shopping, and cultural attractions. Moments from Fifth Avenue's premier shopping, Madison Square Park, and the celebrated dining destinations of Flatiron and NoMad, the property is also ideally positioned near the Union Square Greenmarket, where some of the city's finest local farmers and purveyors gather throughout the week. A short distance away, West Chelsea's renowned gallery district offers access to some of the world's leading contemporary art galleries, making this an especially compelling location for collectors, artists, and those drawn to New York's creative pulse. The result is an exceptional downtown setting that combines architectural heritage, cultural sophistication, and everyday convenience. Known more intimately as The Greenwich Building, 6 West 20th Street is a boutique, 11-story cooperative comprising just nine residences, designed and built in 1910 by esteemed architects Schwartz & Gross. The building has recently completed a series of capital improvements and infrastructure upgrades, including new passenger and freight elevators, updated electrical and plumbing systems, and a new Butterfly virtual doorman system, with a new roof nearing completion. The cooperative permits ownership through LLCs and trusts, pied-a-terre use, subletting, and pets. A full-time superintendent is on site Monday through Friday, providing attentive care for the building, while private access to an extra-wide freight elevator on every floor makes deliveries, art installations, and the movement of oversized furniture and materials exceptionally convenient.

Description from Realtor.com, shown as published there. See the original listing

Roofy listing score

Grade B, 70/100 · Complete

How complete and honest this listing is, from what the source sites show and Roofy’s own checks. It isn’t a rating of the home or the agent. How the score works

  • Photos25/25
    • Full points: 17 photos15/15
    • Full points: Large, clear photos (about 1,000 px)10/10
  • Details16/20
    • Full points: Price stated3/3
    • Full points: Bedrooms stated2/2
    • Full points: Bathrooms stated2/2
    • Full points: Size stated2/2
    • Does not apply: Move-in date: does not apply2/2
    • Does not apply: Lease length: does not apply1/1
    • Full points: Pet policy stated1/1
    • No points: Laundry not mentioned0/1
    • No points: Heat and utilities not mentioned0/1
    • No points: No amenities listed0/2
    • Full points: Description of 392 words3/3
  • True cost7/15
    • No points: No running costs stated (HOA, service charge or taxes)0/8
    • Full points: Price in line with similar homes in its neighborhood7/7
  • Accuracy12/15
    • Nothing to compare: Listed on one site, nothing to compare3/6
    • Full points: Agrees with city records (built 1907, 9 homes)5/5
    • Full points: Confirmed on its source site 3 days ago4/4
  • Legal10/10
    • Full points: No fair-housing problems found in the wording6/6
    • Full points: The agent’s license is active4/4
  • Trust0/15
    • No points: Not claimed on Roofy by the agent or owner0/10
    • No points: The agent is not verified on Roofy0/5

Listed this home? Claim your agent page to add the trust points.

Scored Nov 2, 2026 · Score version 1. No one can pay to change a score.

Buying costs

What this price means for you: the monthly payment, and New York’s mansion tax, which the buyer pays on a home of $1 million or more.

Compared with the area

Asks $4,850,000, 14% above the median asking price for 3-bedroom homes for sale in Midtown South-Flatiron-Union Square.

Median here
$4,250,000
24 listings, last 90 days
Typical range
$3,300,000–$5,647,500
The middle half of listings
Per ft²
$1,182.93 vs $1,904.46
This home vs the median, 38% lower

Priced in line with similar homes here.

4.2% of these listings have cut their price.

Asking prices of listings on Roofy and listing sites in the last 90 days, not signed leases or sale prices. One currency, never converted.

More about Midtown South-Flatiron-Union Square

Location

Location as the listing shows it.Open in Google Maps

Nearby transit

  • 23 StN R W4 min walk
  • 23 StF M5 min walk
  • 23rd Street (PATH)HOB-33 JSQ-33 JSQ-33 via HOB WTC-335 min walk

Nearby public schools · District 2

Distance only, not school zones. Check the zoned school with NYC Public Schools.

The building

9 units · 11 floors · built 1907 · 2 more homes listed here

Building record (NYC)

NYC records as of Nov 1 (weekly)

6 West 20 Street · BBL 1-00821-0049 · built 1907 · 9 units

Roofy building score 96/100 · Well keptAbout the building, from HPD violations. Not an inspection.
Building type
Office building
Open HPD violations
None
Heat complaints
0 this season
Complaints, last 12 months
0
Rent stabilization
May have stabilized units
Last sale (12-month file)
No sales in our 12-month file

No open immediately hazardous (Class C) violations.

See the full building record

Public NYC records about the building, not about the person listing it. Buyers and renters can see them on city websites too. Source: NYC Open Data (DCP PLUTO, HPD, DOF).

Added to Roofy Oct 29, 2026Last checked on Realtor.com Oct 29, 2026Roofy doesn’t verify listings. Never send money before seeing a home.

From Frank Suriano

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