Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $2,625,000

· Closed June 16, 2018

829 PARK Avenue #9C
Closed For Sale Co-op

$2,625,000

$1,419 per sq ft

829 PARK Avenue #9C

Upper East Side, Manhattan

MLS® #RLS10486390

RLS at REBNY

Listing by Sotheby's International Realty, Inc.

3

Bedrooms

3

Baths

1,850

Sq. Ft.

1930

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3
Living Area 1,850 sq ft
Lot Size 11,716 sq ft
Year Built 1930
Ownership Co-op
Maintenance $4,885/mo
Neighborhood Upper East Side

Property Highlights

  • Fireplace: Wood-burning or decorative fireplace
  • Style: Prewar architecture
  • Character: Pre-war building (1930)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 7
Baths null Full
Pets Yes
Year Built 1930
Living Area 1,850 sq ft
Architectural Style Prewar
Lot Size 11,716 sq ft
Parcel # 1410-0069-00829-000-000009C

Listing History

Event Date Price Change
Listed Jun 16, 2018 $2,675,000 -
Currently May 6, 2026 $2,625,000 -1.9%

Description

This elegant 3 bedroom, 7 room co-op is nestled in the very heart of Manhattan's historic Gold Coast. Welcome to 829 Park Avenue, a beautiful limestone building whose architectural features have been lauded by the prestigious American Institute of Architects in the AIA Guide to New York City. Originally constructed between 1910 and 1912, this elegant duplex is located in one of the first luxurious apartment buildings constructed on Park Avenue. A coveted private elevator landing opens directly into the first floor and lends a whole new meaning to the concept of door-to-door luxury and service. Grand and distinct with wonderful period details throughout, the interior layout features on the first level a formal entry gallery, a large open dining room which flows seamlessly into a stately living room with wood-burning fireplace, elegant high coffered ceilings, a large chef's kitchen, library and maid's room with adjacent full bath. A service entrance, located off the maid's room and kitchen facilitates the deliveries of caterers and allows for easy movement of staff. The large, windowed kitchen allows ample space for entertaining. A graceful staircase in the gallery leads one to the second floor and the private living quarters. The second floor is home to the master bedroom and a second bedroom with en suite baths and northern exposures. The entire residence effortlessly combines elegance with comfort and an ease in entertaining in a manner befitting the rich history of the building in which it is located. A beautifully renovated lobby completes this masterfully planned residence with twenty-four hour doorman, a professional staff, and gym. 829 Park Avenue is a pet-friendly building located in one of the Upper East Side's most desirable neighborhoods. Bring your architect.

Features & Amenities

Interior Features

Common Area Fireplace

Building Information

Building Data View Compliance & Permits
Total Units 52
Stories 12
Style Prewar

Financial Details

Maintenance $4,885/mo
Original Price $2,675,000
Sale Price $2,625,000

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

337

Median Asking Price

$1.79M

Median $/Sqft

$1,561

Avg Days on Market

N/A

New This Week

17

Price Reduced

28%

Sold (30 Days)

42

Median Sale Price

$1.58M

Live data from RLS at REBNY • Updated 5/6/26, 6:23 PM EST

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Location

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829 PARK Avenue #9C, Upper East Side, New York County

Floor Plans

Floor Plan 1
Floor Plan 2
Floor Plan 3
Floor Plan 4

Building Information

Official NYC property records for this building

1911
Year Built
115 years old
12
Floors
41
Residential Units
R10
Zoning District
Elevator Apartments Historic District: Upper East Side Historic District

Tax & Assessment

Assessed Value: $16,022,700
Land Value: $2,965,500
Exemptions: $40,580

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

Lot Area: 11,716 SF
Building Area: 103,360 SF
Built FAR: 8.82
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 $4,885 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 3 bedrooms and 3 full bathrooms.

The listed interior living area is 1,850 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1930, making it approximately 96 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 the listing broker for weight limits or breed restrictions.

At the current list price of $2,625,000 for 1,850 sq ft, the asking price per square foot is approximately $1,419. 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: RLS10486390
First Listed: 6/16/2018
Closed: 6/16/2018
Contract Date: 10/7/2016

Listing Courtesy of Sotheby's International Realty, Inc. - Michelle E. Bourgeois

Listing Contact: (212) 606-4100

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 5/6/2026 at 10:23 PM UTC

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