Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Sold on 12/4/2025 for $2,150,000

30 E 21st Street #3B
Closed For Sale Co-op

$2,395,000

30 E 21st Street #3B

Flatiron, Manhattan

MLS® #RLS20029016

RLS at REBNY

Listing by Sothebys International Realty

1

Bedroom

2

Baths

Sq. Ft.

1887

Year Built

Quick Summary

Bedrooms 1
Bathrooms 2
Lot Size 4,900 sq ft
Year Built 1887
Ownership Co-op
Maintenance $4,415/mo
Neighborhood Flatiron
Floor 3 of 9

Property Highlights

  • Views: City
  • Exposure: South facing
  • Climate Control: Central Air

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 6
Baths 2 Full
Floor 3 of 9
View City
Exposure South
Cooling Central Air
Pets Yes
Year Built 1887
Structure Type MultiFamily
Flooring Hardwood
Furnished Unfurnished
Lot Size 4,900 sq ft
Parcel # 0849-0055-00030-000-000003B
Block/Lot 00849/0055

Description

Glamorous Flatiron Loft with Architectural Drama & Designer Finishes In a city of white boxes, this one breaks the mold! A fully renovated, sprawling 1 Bedroom, 2 Bathroom plus Home Office/Den, this Loft apartment delivers bold Tribeca energy in the heart of Flatiron. With 12-foot ceilings, oversized South facing windows, and nearly 1,900 square feet of stylish volume, the space stuns from every angle. A dramatic open-concept Living and Dining area is framed by an original decorative column, 12 inch wide plank oak flooring, stylish wet bar, and 5 grand windows that bathe the space in natural light all day long. The fully renovated chef’s Kitchen includes a marble island with bar seating, Sub-Zero refrigerator, and Miele appliances including gas cooktop with exterior vent, dishwasher, oven and speed oven. The Primary Suite is a sanctuary unto itself, complete with 2 walls of custom closets and a spa-worthy en suite Bathroom featuring an elliptical soaking tub, oversized glass enclosed stall shower with rain shower head, radiant heated floors, and floating vanity with large medicine cabinets. A spacious Home Office or Den is located off the Living Room, outfitted with custom millwork and perfect for a work from home situation, Media room or overnight guests. A second full Bathroom with stall shower and in unit washer/dryer complete this luxurious home. Central air conditioning with linear diffusers provide climate control all year round. Building Features: Boutique pre-war co-op built in 1897 with beautiful Beaux-Arts facade Key-locked elevator with just two units per floor (13 total units) Full-time super who accepts deliveries plus state of art video intercom Freight and passenger elevators Pet-friendly Subletting allowed with board approval Unbeatable location between Park Avenue South and Broadway Low monthlies ½ percent Flip Tax payable by Buyer Co-purchasing, gifting and parents buying for children allowed on a case by case basis Moments from Madison Square Park, Union Square, Eataly, Whole Foods, 5th Avenue shopping, and 6 major subway lines, this is downtown loft living at its most refined!

Features & Amenities

Interior Features

In Unit Flooring: Hardwood

Building Amenities

Elevators

Appliances

Dishwasher

Building Information

Total Units 13
Stories 9
Structure MultiFamily

Financial Details

Maintenance $4,415/mo
Sale Price $2,150,000

The Flatiron District is a vibrant 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

110

Median Asking Price

$2.73M

Median $/Sqft

$1,797

Avg Days on Market

N/A

New This Week

11

Price Reduced

30%

Sold (30 Days)

6

Median Sale Price

$2.95M

Live data from RLS at REBNY • Updated 3/1/26, 4:22 AM EST

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Location

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30 E 21st Street #3B, Flatiron, New York County

MLS® ID: RLS20029016
First Listed: 6/5/2025
On Market: 6/5/2025
Price Changed: 6/5/2025
Closed: 12/4/2025
Contract Date: 6/5/2025

Listing Courtesy of Sothebys International Realty - Craig George

Listing Contact: (917) 886-4760

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.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 3/1/2026 at 9:22 AM UTC

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