Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,495,000

· Closed August 25, 2025

670 W END Avenue #9C
Closed For Sale Co-op

$1,495,000

670 W END Avenue #9C

Upper West Side, Manhattan

MLS® #RLS20027189

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

2

Bedrooms

1

Bath

N/A

Sq. Ft.

1927

Year Built

Quick Summary

Bedrooms 2
Bathrooms 1
Year Built 1927
Ownership Co-op
Maintenance $3,025/mo
Neighborhood Upper West Side
Floor 9 of 16

Property Highlights

  • Views: City Lights, City
  • Climate Control: Window Units
  • Character: Pre-war building (1927)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 5
Baths 1 Full
Floor 9 of 16
View City Lights, City
Cooling Window Units
Pets Yes
Year Built 1927
Structure Type HighRise
Basement Other
Parcel # 1240-0061-00670-000-000009C
Block/Lot 01824/0016

Listing History

Event Date Price Change
Listed May 29, 2025 $1,495,000 -
Currently Apr 26, 2026 $1,495,000 -

Description

Grand & Gracious Classic Five-Room

Upon entering the 19-foot gallery of Residence 9C, you are immediately greeted by its elegance and timeless charm. The thoughtfully designed layout seamlessly transitions from a sun filled living room, with its decorative fireplace and wide western vistas, to a formal dining area complete with built-ins offering a library to display art and objects of beauty. The adjacent windowed chef's kitchen boasts a crisp black & white clean visual, a double sink, and custom cabinetry, with built-in breakfast bar, just perfect for casual meals or a quick morning coffee, plus washer & dryer.

The distinct primary bedroom wing provides an ample walk-in closet with built-in shelves with peaceful architectural views of the tree-lined West End Avenue. The second bedroom enjoys tremendous scale comparable to the primary with walk-in closets and custom built-in shelving. The combined bathroom includes both a soaking tub and a spacious walk-in shower. It can also be easily reconfigured back into two separate baths if desired (see floorplans). The meticulous details make this home stand out: original hardwood floors with intricate border inlays, beamed ceilings, gracious scale known only from yesteryears architecture.

Located in an esteemed prewar building designed by George and Edward Blum at 670 West End Avenue, residents enjoy 24-hour doorman service, celebrated landscaped roof deck offering the perfect escape after a long day in the city hustle, playroom, storage facilities, all within a fully resident-owned cooperative. Nestled in one of the Upper West Side's most coveted neighborhoods, you are mere moments away from parks, cultural spots, and community life.

Features & Amenities

Interior Features

Building Other Washer Hookup In Unit

Exterior Features

Building Roof Deck Private Outdoor Space Under60 Sqft

Building Amenities

Common Playroom Elevators Storage

Building Information

Building Data View Compliance & Permits
Total Units 95
Stories 16
Structure HighRise

Financial Details

Maintenance $3,025/mo
Sale Price $1,495,000

The Upper West Side (UWS) is celebrated for its cultural richness and architectural grandeur. Set between Central Park and Riverside Park, the neighborhood provides direct access to green space within the urban grid. Residents enjoy easy access to Lincoln Center, the American Museum of Natural History, and a popular culinary scene. The real estate landscape is famous for its historic brownstones and iconic 'white-glove' apartment buildings along Central Park West and Riverside Drive.

Upper West Side Live Market Data

View Neighborhood

Active Listings

584

Median Asking Price

$1.55M

Median $/Sqft

$1,526

Avg Days on Market

N/A

New This Week

21

Price Reduced

27%

Sold (30 Days)

69

Median Sale Price

$1.85M

Live data from RLS at REBNY • Updated 4/26/26, 5:00 PM EST

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Location

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670 W END Avenue #9C, Upper West Side, New York County

Building Information

Official NYC property records for this building

1927
Year Built
99 years old
16
Floors
95
Residential Units
R10A
Zoning District
Elevator Apartments Historic District: Riverside-West End Historic District

Tax & Assessment

Assessed Value: $16,171,200
Land Value: $2,659,500
Exemptions: $85,080

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

Lot Area: 15,575 SF
Building Area: 187,098 SF
Built FAR: 12.01
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 $3,025 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 2 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: Pets Allowed,Building Pets Allowed Comments:Pets Allowed. Contact the listing broker for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or mcoste@kwnyc.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: RLS20027189
First Listed: 5/29/2025
On Market: 5/29/2025
Price Changed: 5/29/2025
Closed: 8/25/2025
Contract Date: 5/29/2025

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Louise B Phillips Forbes

Listing Contact: (212) 381-3329

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 4/26/2026 at 9:00 PM UTC

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