Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
610 Park Avenue #10E
Interested in this property?
Active For Sale Condo

$8,950,000

$2,801 per sq ft

610 Park Avenue #10E

Lenox Hill, Manhattan

The Mayfair

MLS® #RLS20049935

RLS at REBNY

Listing by Sothebys International Realty

4

Bedrooms

4.5

Baths

3,195

Sq. Ft.

1925

Year Built

Quick Summary

Bedrooms 4
Bathrooms 5 full, 1 half
Living Area 3,195 sq ft
Lot Size 15,500 sq ft
Year Built 1925
Ownership Condo
HOA/Common Charges $5,974.15/mo
Property Taxes $52,548/yr
Neighborhood Lenox Hill
Floor 10 of 15

Property Highlights

  • Views: Park Greenbelt
  • Exposure: North,South,West facing
  • Character: Pre-war building (1925)

Property Details

Type Condo
Ownership Condominium
Total Rooms 8
Baths 4 Full, 1 Half
Floor 10 of 15
View Park Greenbelt
Exposure North,South,West
Pets Yes
Year Built 1925
Living Area 3,195 sq ft
Structure Type MultiFamily
Flooring Hardwood
Lot Size 15,500 sq ft
Parcel # 1379-1169
Block/Lot 01379/1169

Listing History

Event Date Price Change
Listed Sep 19, 2025 $11,500,000 -
Price Reduced Apr 30, 2026 $9,950,000 -13.5%
Currently May 4, 2026 $8,950,000 -10.1%

Description

Spanning more than 3,000 square feet, this four-bedroom residence underwent a multi-million-dollar renovation, during which it was completely stripped down and reimagined with extensive structural and top quality upgrades, even the wall studs were reinforced. The result is a home that exceeds the construction standards of most conversion condominiums in Manhattan. While the décor is elegant and easily customized, the true value lies in the infrastructure: all-new electrical wiring, two upgraded electrical panels, and fully replaced PTAC units, which are regularly serviced by LTB Mechanical. All bathroom plumbing was also replaced in full. Every interior door is crafted from custom hardwood millwork, while the original front door was preserved and paneled on the interior to match, giving it the heft and presence of a traditional old-house entrance. Rockwool insulation was added to interior walls to provide soundproofing, fire resistance, non-toxicity, and thermal regulation. Real hardwood floors were installed throughout. As a result, the apartment offers the solidity and acoustic integrity of a plaster-walled home. Crown moldings were deliberately chosen for their simplicity, cove profiles that suit the ceiling heights, but made of plaster in all rooms except the living room, ensuring they will never crack or separate over time. Architectural upgrades include mirrored pilasters in the gallery, cleverly concealing structural beams. Light was a key design priority. With three exposures, an uncommon feature in a Park Avenue apartment, natural light fills the home throughout the day. From the living room, one can see directly into the dining room, which is open and airy thanks to the adjacent gallery and the nearly 25-foot-long living space beyond. To further enhance the light, two pairs of French doors and the kitchen door were mirrored, brightening the dining area. The primary suite evokes the tranquility of the countryside whilst in the heart of the city and is filled with soft natural light throughout the day. The oversized primary bath features a walk-in shower, a separate soaking tub, and refined finishes that create a serene, retreat-like atmosphere. Large squares of Thassos marble were meticulously cut and laid with minimal grout joints, ensuring precise alignment and a clean, elegant look. There are three secondary bedrooms, each with an ensuite bathroom. Very ample storage throughout the apartment is smartly integrated. In the water closet, jib-style doors are wallpapered to blend seamlessly into the walls, and the medicine cabinets feature hidden electrical outlets. In the kitchen, custom cabinetry conceals the microwave and toaster oven, while the range hood is also fully custom, blending form with function. Built in 1925 and designed by renowned architect James Carpenter, The Mayfair at 610 Park Avenue is a distinguished white-glove prewar condominium. With just 68 residences, it offers a boutique living experience paired with the full-service amenities expected of a premier Manhattan address. Residents enjoy access to a fitness center, laundry room, valet services, housekeeping, and private storage, all conveniently located within the building. Ideally situated near some of Midtown’s finest dining, shopping, and cultural institutions, 610 Park Avenue combines timeless elegance with modern-day convenience.

Features & Amenities

Interior Features

Common On Floor In Unit Flooring: Hardwood

Building Amenities

Elevators

Appliances

Dryer Washer Dryer Stacked Dishwasher Washer

Building Information

Building The Mayfair
Building Data View Compliance & Permits
Total Units 64
Stories 15
Structure MultiFamily

Financial Details

Common Charges $5,974.15/mo
RE Taxes $52,548/yr ($4,379/mo)
Original Price $11,500,000
Previous Price $9,950,000

Lenox Hill occupies a residential section of the Upper East Side, defined by proximity to Central Park, major medical institutions (Memorial Sloan Kettering, Weill Cornell, Lenox Hill Hospital), and the Madison Avenue retail corridor. Housing stock ranges from large pre-war cooperatives to modern condominiums with East River and skyline views.

Lenox Hill Live Market Data

View Neighborhood

Active Listings

603

Median Asking Price

$1.19M

Median $/Sqft

$1,315

Avg Days on Market

N/A

New This Week

21

Price Reduced

37%

Sold (30 Days)

58

Median Sale Price

$1.34M

Live data from RLS at REBNY • Updated 5/4/26, 4:20 PM EST

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Location

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610 Park Avenue #10E, Lenox Hill, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1925
Year Built
101 years old
15
Floors
64
Residential Units
R10
Zoning District
Condominiums Historic District: Upper East Side Historic District

Tax & Assessment

Assessed Value: $29,392,652
Land Value: $11,607,745
Exemptions: $0

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

Lot Area: 15,500 SF
Building Area: 173,037 SF
Built FAR: 11.16
Allowed FAR: 10

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 $5,974.15 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $52,548, or roughly $4,379 per month. Verify the current assessment with your attorney before closing.

This property has 4 bedrooms and 4 full bathrooms and 1 half bathroom.

The listed interior living area is 3,195 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1925, making it approximately 101 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. Contact the listing broker for weight limits or breed restrictions.

At the current list price of $8,950,000 for 3,195 sq ft, the asking price per square foot is approximately $2,801. 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: RLS20049935
First Listed: 9/19/2025
On Market: 9/19/2025
Price Changed: 4/30/2026
Contract Date: 9/19/2025

Listing Courtesy of Sothebys International Realty - Serena Boardman

Listing Contact: (212) 606-7611

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 5/4/2026 at 8:20 PM UTC

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