Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $5,495,000

· Closed May 12, 2025

Closed For Sale Condo

$5,495,000

$1,616 per sq ft

35 W 23RD Street #3

Flatiron, Manhattan

MLS® #RLS11009586

RLS at REBNY

Listing by Corcoran Group

3

Bedrooms

2

Baths

3,400

Sq. Ft.

1879

Year Built

Quick Summary

Bedrooms 3
Bathrooms 2
Living Area 3,400 sq ft
Year Built 1879
Ownership Condo
HOA/Common Charges $2,000/mo
Property Taxes Contact for details
Neighborhood Flatiron
Floor 3 of 5

Property Highlights

  • Views: City
  • Exposure: East,South,West facing
  • Outdoor Space: None, Balcony

Property Details

Type Condo
Ownership Condominium
Total Rooms 7
Baths 2 Full
Floor 3 of 5
View City
Exposure East,South,West
Pets Yes
Year Built 1879
Living Area 3,400 sq ft
Structure Type HighRise
Basement Other
Parcel # 0825-1003
Block/Lot 00825/1003

Listing History

Event Date Price Change
Listed Aug 27, 2024 $5,625,000 -
Currently May 9, 2026 $5,495,000 -2.3%

Description

A truly magnificent Loft awaits in this boutique Condominium just off of Madison Square Park! Experience unparalleled Pre-War Loft-Living in the heart of the Flatiron District! Occupying an entire floor, this home boasts 13.5ft ceilings, 5 prominent cast-iron columns, and 7 enormous 10ft windows overlooking the luxurious Ladies" Mile Historic District. Measured at approximately 3400sf, the third floor is currently configured as an over-sized 2-Bedroom/2-Bath home, with two additional interior sleeping rooms and a Home Office. It can easily be reconfigured as a comfortable FOUR-Bedroom Loft! See alternate floorplan.

With direct keyed-elevator access, step into an impressive Living and Dining entertaining area that spans the entire 42ft width of the Loft with room to accommodate the largest gatherings! Explore your culinary expertise in the open industrial kitchen featuring custom zinc countertops, Maplewood cabinetry, a vented hood, Smeg wall-ovens and cook-top, a Subzero refrigerator, and Miele Dishwasher. Under-cabinet and additional accent lighting, along with translucent glass cabinetry and abundant storage, complete the space.

Currently designed with open sight-lines from front-to-back, experience the dazzling light from the sunny south exposure, as well as reflective light from the planted Private Balcony on the north end of the Loft.

The Primary Bedroom is showcased with a striking custom-made, full-height sliding metal-clad door, an adjacent office or sitting area, and an amazing amount of storage and loft space. Two additional sleeping areas in the rear feature exposed brick, customized walk-in closet space, and lofted storage.

Exquisitely-designed bathrooms feature Duravit and Geberit fixtures, along with stylish and brassy Barber Wilsons faucets and hardware, as well as NuHeat radiant flooring.

The Loft also features Central Air Conditioning, custom iron and glass work, wide-plank White Oak flooring, brilliant exposed brick throughout, an alarm system, Valchromat textured door coverings, custom blackened steel and glass doors and walls, and all new windows. PLUS an enormous an approximately 200sf storage space conveys with the Loft, equipped with a private, full-size Washer and Dryer.

Truly unique to this Condo, residents here enjoy FULL ACCESS to neighboring Flatiron House's full-time doorman AND gym at no extra cost! In addition to a key-lock elevator, this fully restored, Landmark building erected in 1879 also features a beautiful new lobby, a Butterfly video intercom system, Common Roof Deck, and porter services. Pied a terres, and Pets are all welcomed!

The location doesn't get better than this! In the heart of Flatiron and just off of Madison Square Park, find countless restaurant and cafe options, along with multiple dog runs, and truly inspiring art exhibits in the Park and the Flatiron Plazas. Eataly is a few doors down, with Whole Foods and Trader Joe's nearby. Mass transit is a snap with the R/W/6 stations and M23 buses a block away, along with and the 4/5/6/L/N/Q/R/W junction at Union Square. NoMad eateries and hotspots, Flatiron shopping districts and The High Line are right out your door!
Call today - all showings are By Appointment Only! Property Taxes reflect a Primary Residence Tax Abatement. Alternate Floorplans are for planning purposes only, consult your architect for any alteration possibilities.

Features & Amenities

Interior Features

Building Other Washer Hookup In Unit

Exterior Features

Balcony Building Roof Deck Private Outdoor Space Over60 Sqft None Balcony

Building Amenities

Elevators

Building Information

Building Data View Compliance & Permits
Total Units 5
Stories 5
Structure HighRise

Financial Details

Common Charges $2,000/mo
RE Taxes Contact for details
Original Price $5,625,000
Sale Price $5,495,000

The Flatiron District is a busy intersection of history, technology, and luxury living. Named after the iconic Flatiron Building, the neighborhood is centered around Madison Square Park and is a hub for the city's 'Silicon Alley.' The real estate market is famous for its grand cast-iron loft buildings with high ceilings and expansive floor plans, alongside ultra-luxury glass towers that offer modern amenities and central Manhattan convenience.

Flatiron Live Market Data

View Neighborhood

Active Listings

134

Median Asking Price

$2.25M

Median $/Sqft

$1,761

Avg Days on Market

N/A

New This Week

14

Price Reduced

31%

Sold (30 Days)

11

Median Sale Price

$2.16M

Live data from RLS at REBNY • Updated 5/9/26, 1:52 PM EST

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Location

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35 W 23RD Street #3, Flatiron, New York County

Virtual Tour

Building Information

Official NYC property records for this building

1930
Year Built
96 years old
2
Floors
3
Residential Units
R5B
Zoning District
Walk-Up Apartments

Tax & Assessment

Assessed Value: $105,720
Land Value: $12,180
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 2,400 SF
Building Area: 2,600 SF
Built FAR: 1.08
Allowed FAR: 1.5

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed common charges are $2,000 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 3 bedrooms and 2 full bathrooms.

The listed interior living area is 3,400 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1879, making it approximately 147 years old.

This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.

Pets are permitted at this property: Pets Allowed,Building Pets Allowed Comments:Pets Allowed. Contact the listing broker for weight limits or breed restrictions.

At the current list price of $5,495,000 for 3,400 sq ft, the asking price per square foot is approximately $1,616. This figure is for reference only and may differ from appraised or assessed values.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS11009586
First Listed: 9/16/2024
On Market: 8/27/2024
Closed: 5/12/2025
Contract Date: 9/16/2024

Listing Courtesy of Corcoran Group - Ronald Anthony Testa

Listing Contact: (646) 675-6173

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing 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. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 5/9/2026 at 5:52 PM UTC

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