roofy
For saleCondoNewScore 66

4-bedroom condo for sale in Midtown South-Flatiron-Union Square

39 W 23rd St Ph 21, Midtown South-Flatiron-Union Square, Manhattan, New York, NY, 10010

$9,999,000
Asking price · in USD
Bedrooms
4: 4+ bedroom homes for sale in ZIP 10010
Bathrooms
4: Homes with 4+ bathrooms for sale in ZIP 10010
Size
3,194 ft² (297 m²)
Type
Condo: Condos for sale in ZIP 10010
Available
Now
Year built
2018: Building details

About this home

Condo for sale in Midtown South-Flatiron-Union Square, Manhattan: 4 bedrooms, 4 bathrooms, 3,194 ft². Asking price $9,999,000. Built in 2018.

From the original listing · Realtor.comShow

This exceptional full-floor residence at Flatiron House offers 3,194 square feet of refined interiors and 222 square feet of irrigated loggias for greenery. A private elevator opens to a gracious gallery and a dramatic corner living and dining room surrounded by floor-to-ceiling windows and sweeping skyline views. The windowed kitchen features custom oak and ribbed-glass cabinetry, Calacatta Lincoln marble, brass detailing, premium appliances, a generous island and pantry. Four bedrooms include a serene corner primary suite with a custom dressing room, walk-in closet and spa bathroom with heated marble floors and a six-foot soaking tub. Additional features include automated shades, bespoke millwork, central climate control, abundant storage and a dedicated laundry room with vented dryer. Flatiron House offers a doorman, concierge, fitness center, residents' lounge and landscaped gardens moments from Madison Square Park. The building also has a second, discreet entrance on quiet West 24th Street. Some photographs have been virtually staged.

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

Roofy listing score

Grade C, 66/100 · Fairly 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: 10 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
    • No points: No pet policy0/1
    • Full points: Laundry mentioned1/1
    • No points: Heat and utilities not mentioned0/1
    • No points: No amenities listed0/2
    • Full points: Description of 159 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 2018, 45 homes)5/5
    • Full points: Confirmed on its source site 3 days ago4/4
  • Legal6/10
    • Full points: No fair-housing problems found in the wording6/6
    • Problem: The agent’s license is not active0/4
  • 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.

Estimate the monthly payment Mansion tax on this price

Compared with the area

Asks $9,999,000, 67% above the median asking price for homes for sale with 4+ bedrooms in Midtown South-Flatiron-Union Square.

Median here
$6,000,000
13 listings, last 90 days
Per ft²
$3,130.56 vs $1,657.40
This home vs the median, 89% higher

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

  • 23rd Street (PATH)HOB-33 JSQ-33 JSQ-33 via HOB WTC-333 min walk
  • 23 StF M3 min walk
  • 23 StN R W3 min walk

Nearby public schools · District 2

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

The building

45 units · 25 floors · built 2018

Building record for 39 West 23rd Street

NYC records as of Nov 1 (weekly)

39 West 23rd Street · BBL 1-00825-7502 · built 2018 · 45 units

Roofy building score 96/100 · Well keptAbout the building, from HPD violations. Not an inspection.
Building type
Condominium
Open HPD violations
None
Heat complaints
0 this season
Complaints, last 12 months
0
Rent stabilization
None in 2018–2024 tax bills
Last sale (12-month file)
No sales in our 12-month file

The city’s records match this listing to the tax lot at 39 West 23rd Street. Corner and multi-address buildings often have one main address.

No open immediately hazardous (Class C) violations. Condo records cover the whole building.

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.

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