Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Under Contract – Backup offers may be accepted

35 W 23RD Street #2
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Pending For Sale Condo

$5,995,000

$1,763 per sq ft

35 W 23RD Street #2

Flatiron, Manhattan

MLS® #RLS20081693

RLS at REBNY

Listing by Corcoran Group

3

Bedrooms

2.5

Baths

3,400

Sq. Ft.

1879

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3 full, 1 half
Living Area 3,400 sq ft
Year Built 1879
Ownership Condo
HOA/Common Charges $2,400/mo
Property Taxes Contact for details
Neighborhood Flatiron
Floor 2 of 5

Property Highlights

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

Property Details

Type Condo
Ownership Condominium
Total Rooms 6
Baths 2 Full, 1 Half
Floor 2 of 5
View City
Exposure North,South
Pets Yes
Year Built 1879
Living Area 3,400 sq ft
Structure Type HighRise
Basement Other
Parcel # 0825-1002
Block/Lot 00825/0000

Listing History

Event Date Price Change
Listed Apr 6, 2026 $5,995,000 -
Currently Jul 5, 2026 $5,995,000 -

Description

Flatiron District Loft-Living with Private Outdoor Space - A Rare Full-Floor Manhattan, Pre-War Condo! Welcome to a truly exceptional full-floor loft condominium in the heart of Manhattan's Flatiron District. Located at 35 West 23rd Street, this spectacular 3-bedroom, 2.5-bathroom mega-loft with private outdoor space blends authentic New York industrial architecture with modern luxury living in the coveted Ladies' Mile Historic District. Bathed in sunshine from massive 10-foot windows, this dramatic residence features soaring 14-foot ceilings, original timber beams, steel columns, and exposed brick-creating a striking backdrop for one-of-a-kind loft living that looks out onto the stunning historic architecture of the neighborhood. A key-locked elevator opens directly into the home, revealing an expansive 42-foot-wide entertaining space where multiple living areas flow effortlessly into an elegant dining and culinary hub. At the center of the home, the open chef's kitchen is designed for both entertaining and everyday living. Highlights include a 6-burner Wolf range with vented hood, Sub-Zero refrigerator, Miele dishwasher, wine refrigerator, Caesarstone countertops, breakfast bar seating, and custom cabinetry, all accented by warm copper-toned pendant lighting. The king-sized primary suite offers a peaceful retreat with direct access to a planted and irrigated private balcony, a customized walk-through closet, and a spa-inspired en-suite bath featuring Waterworks and Toto fixtures, a double vanity, soaking tub, and oversized stall shower. Two additional bedrooms overlook the tranquil outdoor space and provide generous storage. A flexible interior common area can easily function as a home office, media room, playroom, or all three! The loft can easily be reconfigured into a 4-bedroom layout for expanded living. Additional loft features include: Gas fireplace anchoring the main living space Oversized sound-reducing windows overlooking the historic streetscape Steam shower in the secondary full bathroom Guest powder room with Duravit and Waterworks fixtures Multi-zone air conditioning and upgraded commercial-grade heat distribution Vented washer/dryer Fully integrated smart-home system for lighting, sound, and climate Large private 121sf storage room included In a rare and valuable perk, residents enjoy full access to the neighboring Flatiron House's full-time doorman & concierge, and fitness center - at NO ADDITIONAL COST! All packages can be held by the neighboring concierge. Note that the doorman/concierge and gym are in the neighboring building. Originally constructed in 1879, the building sits proudly within the Ladies' Mile Historic District and was recently honored with the 2024 Lucy G. Moses Preservation Award following an extraordinary restoration. Residents enjoy a newly renovated lobby, upgraded elevator, Butterfly video security system with remote access, porter service, and a common roof deck. Pets are welcome. Prime Flatiron District Location Few locations in Manhattan compare to this Flatiron address just a few doors from Madison Square Park. Step outside to some of New York City's best dining, shopping, and culture, including Eataly, Whole Foods, Trader Joe's, and countless renowned restaurants and cafés. The park offers dog runs, seasonal art installations, and open-air events, while nearby Union Square, NoMad, Chelsea Piers, and the High Line provide endless exploration. Commuting is effortless with nearby access to the F, M, R, W, and 6 subway lines, and the cross-town M23 bus. This rare Flatiron loft condo combines historic character, modern amenities, and an unbeatable Manhattan location. Private showings by appointment only. Property Taxes for use as a primary residence could come as low as $4,424/mo - consult your attorney. Alternate floor plans are for conceptual purposes only; consult your architect regarding alteration possibilities.

Features & Amenities

Interior Features

High Ceilings Walk In Closets Building Other In Unit Fireplace (1)

Exterior Features

Balcony Building Roof Deck Private Outdoor Space Over60 Sqft None Balcony

Building Amenities

Elevators

Appliances

Dishwasher

Building Information

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

Financial Details

Common Charges $2,400/mo
RE Taxes Contact for details

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

118

Median Asking Price

$2.50M

Median $/Sqft

$1,826

Avg Days on Market

N/A

New This Week

2

Price Reduced

36%

Sold (30 Days)

10

Median Sale Price

$2.26M

Live data from RLS at REBNY • Updated 7/5/26, 10:22 AM EST

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Location

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35 W 23RD Street #2, Flatiron, New York County

Virtual Tour

Floor Plans

Floor Plan 1
Floor Plan 2

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 $2,400 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 3 bedrooms and 2 full bathrooms and 1 half bathroom.

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 $5,995,000 for 3,400 sq ft, the asking price per square foot is approximately $1,763. 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 mcoste@kwnyc.com. 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: RLS20081693
First Listed: 4/6/2026
On Market: 4/6/2026
Price Changed: 4/6/2026
Pending Since: 4/28/2026
Contract Date: 4/6/2026

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 7/5/2026 at 2:22 PM UTC

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