Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Under Contract – Backup offers may be accepted

321 E 43rd Street #507

Pending · Listing by Sothebys International Realty

321 E 43rd Street #507

Turtle Bay, Manhattan

$260,000

Interested in this property?
Pending For Sale Co-op

$260,000

321 E 43rd Street #507

Turtle Bay, Manhattan

The Cloister

MLS® #RLS20081045

RLS at REBNY

Listing by Sothebys International Realty

Studio
1
Bath
N/A
Sq. Ft.
1927
Year Built

Quick Summary

Bedrooms Studio
Bathrooms 1
Lot Size 12,903 sq ft
Year Built 1927
Ownership Co-op
Maintenance $506/mo
Neighborhood Turtle Bay
Floor 5 of 10

Property Highlights

  • Character: Pre-war building (1927)
  • New Construction: Brand new building

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 2
Baths 1 Full
Floor 5 of 10
Pets Yes
Year Built 1927 (New)
Structure Type None
Furnished Unfurnished
Lot Size 12,903 sq ft
Block/Lot 01336/0010

Listing History

Event Date Price Change
Listed Apr 2, 2026 $260,000 -
Currently Aug 9, 2026 $260,000 -

Description

This fabulous gem of a studio apartment has it all! Conveniently tucked away just opposite the tranquil Tudor City Park, in one of the most sought-after pre-war buildings in this residential 11 building Tudor City enclave. This jewel box home features a rare combination of quality prewar elegance and all the conveniences of a modern residence thanks to the just completed renovations. The upgrades and staging were designed to meet all of your lifestyle needs by maximizing every inch. Highlights include a newly installed windowed kitchenette, a home-office nook, a defined dining area, and a renovated, windowed bath complete with full-sized tub and shower. A spacious walk-in closet allows for neat out of sight storage. This unique home epitomizes the Sotheby's brand of luxury living at all price points. Perfect as a first home, a pied-à-terre, a downsizer's delight, or a convenient city retreat, this charming studio checks all the boxes! Residents of The Cloister enjoy a wide range of amenities, including a 24-hour doorman, concierge service, live-in superintendent, bike storage, rentable storage, and on-site laundry. This friendly co-op welcomes pied-à-terres, subletting (2 out of every 5 years after 1 year), guarantors, co-purchasing and pets! The historic Tudor City District extends through two midtown neighborhoods extending from 40th St in Murray Hill to 43d St.in Turtle Bay and encompasses two parks, one of which is directly across the street from The Cloister. This ideal location is close to the United Nations and just a few short few blocks from Grand Central Terminal and the midtown central business district. Enjoy excellent shopping and dining and many transportation options including nearby access to highways leading out east for your getaway to the Hamptons. What are you waiting for, call Lorna or Cristina today to see this move-in ready showplace that can be yours for possibly a more favorable monthly cost than renting!

Features & Amenities

Interior Features

Common On Floor Common Area Laundry Room

Building Amenities

Elevators

Building Information

Financial Details

Maintenance $506/mo

Turtle Bay is a refined and diplomatic corridor, home to the United Nations Headquarters and numerous international consulates. The neighborhood is famous for the historic Turtle Bay Gardens and its tree-lined streets. Real estate in Turtle Bay offers a wide selection, from elegant pre-war townhouses to modern luxury condominiums that provide a low-traffic residential atmosphere just steps away from the bustle of Midtown.

Turtle Bay Live Market Data

View Neighborhood

Active Listings

124

Median Asking Price

$1.09M

Median $/Sqft

$1,463

Avg Days on Market

N/A

New This Week

9

Price Reduced

43%

Sold (30 Days)

7

Median Sale Price

$970K

Live data from RLS at REBNY • Updated 8/9/26, 2:04 AM EST

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Location

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321 E 43rd Street #507, Turtle Bay, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1906
Year Built
120 years old
4
Floors
24
Residential Units
R6B
Zoning District
Walk-Up Apartments

Tax & Assessment

Assessed Value: $1,031,850
Land Value: $97,200
Exemptions: $1,031,850

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

Lot Area: 6,261 SF
Building Area: 21,000 SF
Built FAR: 3.35
Allowed FAR: 2

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 monthly maintenance are $506 per month. Confirm the exact amount with Milton Coste before making an offer.

The current listed annual property tax is $0, or roughly $0 per month. Verify the current assessment with your attorney before closing.

This property has 0 bedrooms and 1 full bathroom.

According to MLS records, the building was constructed in 1927, making it approximately 99 years old.

This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.

Pets are permitted at this property. Contact Milton Coste for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or milton@miltoncoste.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: RLS20081045
First Listed: 4/2/2026
On Market: 4/2/2026
Price Changed: 4/2/2026
Pending Since: 5/15/2026
Contract Date: 4/2/2026

Listing Courtesy of Sothebys International Realty - LORNA LEIBOWITZ

Listing Contact: (917) 992-5350

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 8/9/2026 at 6:04 AM UTC

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Turtle Bay Market Update

7 sales last 30 days · $1.09M median · 17.7 months supply

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New listings in this building

Quick Facts

Status Pending Type Co-op Neighborhood Turtle Bay Borough Manhattan
County New York
Floor 5 of 10
Year Built 1927
First Listed 4/2/2026
Maintenance $506/mo

Monthly Costs Estimate

Down Payment 20%

$52,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $506
Total Monthly $0

Estimates only. Consult a lender for exact figures.

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