Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
840 Park Avenue #2-B

For Sale · Listing by William Raveis New York City LLC

840 Park Avenue #2-B

Upper East Side, Manhattan

$3,850,000

Interested in this property?
Active For Sale • Co-op

$3,850,000

840 Park Avenue #2-B

Upper East Side, Manhattan

MLS® #RLS20120728

RLS at REBNY

Listing by William Raveis New York City LLC

3
Bedrooms
2
Baths
N/A
Sq. Ft.
1912
Year Built

Quick Summary

Bedrooms 3
Bathrooms 2
Year Built 1912
Ownership Co-op
Maintenance $7,704/mo
Neighborhood Upper East Side
Floor 2 of 12

Property Highlights

  • Exposure: East,North facing
  • Fireplace: 1 fireplace
  • Style: Prewar architecture

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 6
Baths 2 Full
Floor 2 of 12
Exposure East,North
Pets Yes
Cross Street East 76th Street/East 77th Street
Year Built 1912
Architectural Style Prewar
Structure Type None
Block/Lot 1391/0034

Listing History

Event Date Price Change
Listed Oct 13, 2026 $3,850,000 -
Currently Oct 14, 2026 $3,850,000 -

Description

A grand Park Avenue residence, offered for the first time in generations, with leafy views and a prime location just moments from The Metropolitan Museum of Art and Central Park. Beautifully proportioned and rich in prewar character, this former classic seven is now configured as an expansive six-room home with nearly ten-foot ceilings, elegant crown moldings and beautifully preserved architectural detail. The entertaining rooms are particularly generous: a large living room centered on a fireplace, which can be converted back to wood-burning with board approval, and a formal dining room of substantial proportions, both overlooking the tree-lined avenue. The principal rooms are filled with soft natural light and a changing canopy of greenery. A Sonos sound system extends throughout the home. Three bedrooms and two windowed bathrooms provide excellent separation and privacy. The primary suite includes a windowed en-suite bath with heated floors and extensive closet space. The original maid’s room has been incorporated into the kitchen, creating an exceptionally large windowed eat-in kitchen, approximately 17'10" x 20'. It is equipped with a Wolf range and convection oven, an exterior-vented Wolf hood, Wolf warming drawer, farmhouse sink, Sub-Zero refrigeration with an additional double-drawer freezer, and a Miele dishwasher. A Miele washer and dryer are discreetly integrated into the kitchen. Two unusually large private basement storage rooms, approximately 9' x 13'6" and 11' x 6', are included in the sale. Designed by George and Edward Blum, 840 Park Avenue is a white-glove cooperative offering exceptional service and privacy. Museum Mile is moments away, with the boutiques, cafés and restaurants of Madison Avenue close by.

Features & Amenities

Interior Features

Entrance Foyer Kitchen Window Building Washer Dryer Install Allowed In Unit Fireplace (1)

Exterior Features

Building Storage

Building Amenities

Elevators

Appliances

Dryer Washer

Building Information

Building Data View Compliance & Permits
Stories 12
Structure None
Style Prewar

Financial Details

Maintenance $7,704/mo

The Upper East Side remains the gold standard for classic New York elegance. Known for 'Museum Mile' and its low-traffic, tree-lined streets, the neighborhood offers a refined lifestyle away from the midtown bustle. While famous for its historic cooperatives, the area has seen a recent surge in ultra-luxury new construction condos, particularly along the Second Avenue Subway corridor, making it a top choice for both traditionalists and modern buyers.

Upper East Side Live Market Data

View Neighborhood

Active Listings

318

Median Asking Price

$1.77M

Median $/Sqft

$1,550

Avg Days on Market

N/A

New This Week

16

Price Reduced

28%

Sold (30 Days)

51

Median Sale Price

$1.40M

Live data from RLS at REBNY • Updated 10/14/26, 6:07 AM EST

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Location

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840 Park Avenue #2-B, Upper East Side, New York County • Near East 76th Street/East 77th Street

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1912
Year Built
114 years old
13
Floors
18
Residential Units
R10
Zoning District
Elevator Apartments Historic District: Upper East Side Historic District

Tax & Assessment

Assessed Value: $12,173,850
Land Value: $821,700
Exemptions: $2,138

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

Lot Area: 5,619 SF
Building Area: 64,827 SF
Built FAR: 11.54
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 monthly maintenance are $7,704 per month. Confirm the exact amount with Milton Coste before making an offer.

This property has 3 bedrooms and 2 full bathrooms.

According to MLS records, the building was constructed in 1912, making it approximately 114 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: RLS20120728
First Listed: 10/13/2026
On Market: 10/13/2026
Price Changed: 10/13/2026
Contract Date: 10/6/2026

Listing Courtesy of William Raveis New York City LLC - Denae B Montesi

Listing Contact: (347) 371-0573

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.

How working with a buyer's agent works: I work for you, not the seller. Before I show you anything, New York brokerage rules ask us to put that in writing: an agreement and a disclosure that say I work for you and negotiate on your behalf. The agreement is non-exclusive: you can work with other agents, it runs for a short fixed term we agree on, and you can end it with a note. You may attend open houses independently without an agreement. Read how it works

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 10/14/2026 at 10:07 AM UTC

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Milton Coste - NYC Real Estate Broker

Milton Coste

Licensed Real Estate Associate Broker

Keller Williams NYC

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Sale history, taxes, violations and comps for this unit

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Upper East Side Market Update

51 sales last 30 days · $1.77M median · 6.2 months supply

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Quick Facts

Status Active Type Co-op Neighborhood Upper East Side Borough Manhattan
County New York
Floor 2 of 12
Year Built 1912
First Listed 10/13/2026
Style Prewar
Maintenance $7,704/mo

Monthly Costs Estimate

Down Payment 20%

$770,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $7,704
Total Monthly $0

Estimates only. Consult a lender for exact figures.

Mansion tax applies at this price point

New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $3M to $4,999,999 at 1.50%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.

Estimated mansion tax at asking

$57,750

Run the numbers on a different offer price

Estimate based on the asking price. Confirm your own obligation with your real estate attorney.

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