Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Under Contract – Backup offers may be accepted

310 W 86TH Street #11B

Pending · Listing by Brown Harris Stevens Residential Sales LLC

310 W 86TH Street #11B

Upper West Side, Manhattan

$1,270,000

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Pending For Sale Co-op

$1,270,000

310 W 86TH Street #11B

Upper West Side, Manhattan

Royal Summit

MLS® #RLS20044219

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

2
Bedrooms
1
Bath
N/A
Sq. Ft.
1910
Year Built

Quick Summary

Bedrooms 2
Bathrooms 1
Year Built 1910
Ownership Co-op
Maintenance $3,420/mo
Neighborhood Upper West Side
Floor 11 of 12

Property Highlights

  • Climate Control: Other
  • Character: Pre-war building (1910)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 4
Baths 1 Full
Floor 11 of 12
Cooling Other
Pets Yes
Year Built 1910
Structure Type HighRise
Basement Other
Parcel # 1247-0040-00310-000-000011B
Block/Lot 01247/0040

Listing History

Event Date Price Change
Listed Aug 25, 2025 $1,395,000 -
Price Reduced Oct 9, 2025 $1,295,000 -7.2%
Currently Aug 19, 2026 $1,270,000 -1.9%

Description

Spacious Four-and-a-Half Room Prewar Home in a Prime Upper West Side Location. Perched on the 11th floor of a distinguished full-service cooperative, Residence 11B offers a grand-scale four-and-a-half-room home, well suited for gracious living and entertaining. Boasting 10-foot-high ceilings, oversized windows, abundant closet space, and tremendous light-including a southern view stretching all the way to Hudson Yards (and north to double-wide 86th Street)-this residence is rich in original architectural details. A generous entry foyer leads to the grandly proportioned living room of uncommon scale, while the windowed eat-in kitchen is bright, extremely spacious, and ready for your reimagination. The oversized main bedroom enjoys excellent southern light and two large closets. This home features abundant original prewar details, including two decorative mantels, herringbone hardwood floors, archways, a French door, moldings, and bronze hardware. With only three apartments on the floor and a separate service door, Residence 11B is both private and well-suited to entertaining. The windowed bathroom and kitchen provide natural light throughout. 11B is offered in lovingly kept estate condition, allowing a new owner the opportunity to restore and customize while preserving its rare proportions. A washer and dryer, as well as central air conditioning, may be added with board approval. The Royal Summit is a full-service cooperative in excellent physical and financial condition. Built in 1915 by the well-known architectural firm Mulliken and Moeller and incorporated in 1981, the building boasts one of the most stunning and ornate lobbies in the city. The 67-unit cooperative, connected through the basement, is housed in two identical adjoining buildings (310 & 320 W 86). 310 West 86th comprises just 27 units, offering maximum privacy and intimacy along with full service. The Royal Summit is pet-friendly and offers a 24-hour doorman, live-in superintendent, porters, storage, bike room, central laundry facilities, and a residents' courtyard. Ideally situated next to Riverside Park on a landmarked, double-wide block with no city bus traffic, this home is surrounded by the best dining, shopping, and entertainment the Upper West Side has to offer. The Hudson River Waterfront Greenway is at your doorstep, with dog runs and jogging and biking trails. Nearby transportation includes the 1, B, and C subways, as well as the 86th Street crosstown bus.310 West 86th Street, 11B offers prewar grandeur, abundant light, and an unbeatable Upper West Side location. <scribe-shadow id"crxjs-ext" data-crx"okfkdaglfjjjfefdcppliegebpoegaii" style"position: fixed; width: 0px; height: 0px; top: 0px; left: 0px; z-index: 2147483647; overflow: visible; visibility: visible;"></scribe-shadow>

Features & Amenities

Interior Features

Building None

Exterior Features

Private Outdoor Space Over60 Sqft

Building Amenities

Bike Storage

Appliances

Washer Dryer Allowed

Building Information

Building Royal Summit
Building Data View Compliance & Permits
Total Units 68
Stories 12
Structure HighRise

Financial Details

Maintenance $3,420/mo
Original Price $1,395,000
Previous Price $1,295,000

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

349

Median Asking Price

$1.40M

Median $/Sqft

$1,418

Avg Days on Market

N/A

New This Week

7

Price Reduced

39%

Sold (30 Days)

68

Median Sale Price

$1.33M

Live data from RLS at REBNY • Updated 8/19/26, 6:47 PM EST

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Location

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310 W 86TH Street #11B, Upper West Side, New York County

Virtual Tour

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1925
Year Built
101 years old
3
Floors
4
Residential Units
R6B
Zoning District
Primarily Residential Mixed Use

Tax & Assessment

Assessed Value: $453,150
Land Value: $121,950
Exemptions: $0

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

Lot Area: 1,600 SF
Building Area: 4,200 SF
Built FAR: 2.63
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 $3,420 per month. Confirm the exact amount with Milton Coste before making an offer.

This property has 2 bedrooms and 1 full bathroom.

According to MLS records, the building was constructed in 1910, making it approximately 116 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: RLS20044219
First Listed: 8/25/2025
On Market: 8/25/2025
Price Changed: 10/9/2025
Pending Since: 12/4/2025
Contract Date: 8/25/2025

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Anna M Kahn

Listing Contact: (212) 381-2214

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 8/19/2026 at 10:47 PM UTC

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Upper West Side Market Update

68 sales last 30 days · $1.40M median · 5.1 months supply

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New listings in this building

Quick Facts

Status Pending Type Co-op Neighborhood Upper West Side Borough Manhattan
County New York
Floor 11 of 12
Year Built 1910
First Listed 8/25/2025
Maintenance $3,420/mo

Monthly Costs Estimate

Down Payment 20%

$254,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $3,420
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 $1M to $1,999,999 at 1.00%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.

Estimated mansion tax at asking

$12,700

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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