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$3,650,000
MLS# RLS20123227 · Upper West Side
Listed October 28, 2026 · New today
4 Beds 4 Baths 2,725 Sq.Ft.
Mint condition 4-5 bedroom at Ariel West, one of the Upper West Side's premier condominiums!
Enter into a gracious gallery with two spacious coat closets. Off the gallery is a beautiful full bathroom with a glass-enclosed shower and additional storage space. This bathroom also functions as a powder room.
The entertaining space is highlighted by a sprawling 32 foot long great room with East and South Exposures, open City views and amazing light from floor to ceiling windows. Off the living room is an open chef's kitchen featuring Viking and appliances, a vented stove, wine refrigerator, and natural stone counters, glass backsplash and large pantry.
Next to the kitchen is a den/office which has floor-to ceiling windows and is sunflooded with East light.
In the bedroom wing there are 4 generously proportioned bedrooms and 3 full bathrooms. The tranquil master suite has abundant closet space with wonderful built ins and an oversized walk-in closet. The spa like master bathroom has floor to ceiling windows, deep tub, double vanity and large glass-enclosed shower. Two of the three bedrooms in the bedroom wing share a double limestone vanity bathroom with tub and the fourth bedroom has its own en suite limestone bathroom. All of the bedrooms have spacious closets with custom interiors, great light, and are pin drop quiet facing West into the peaceful 100-foot deep and tree-lined courtyard garden of the building.
Other special features include 2 zones of central air, Sonos working for music, a separate large laundry room with washer/dryer and hardwood floors.
The Ariel is a white glove service condominium with both a doorman and concierge. It features a state of the art, fully equipped, attended fitness center, and yoga/pilates studio with multiple free of charge fitness classes per week, a 51 foot indoor swimming pool, mens' and womens' locker rooms with steam, indoor and outdoor play area, and a basketball court. Across the street at the sister Ariel East building, residents can use the large party room which has a grand piano,
screening room and full catering kitchen.
Included in this sale is a large private storage bin and there is bike storage as well.
Please note that taxes for LLC or pied-a-terre owners are $3,307.53 per month.
Please note that there is a capital assessment of $411.61/month through March 2038.
Agent's Note
From Curtis Bain. Details about the apartment are drawn from the listing information provided through RLS by Brown Harris Stevens Residential Sales LLC.
A 32-foot great room with East and South exposures anchors this 2,725-square-foot apartment at 245 West 99th Street. Floor-to-ceiling windows bring in open City views. South-facing glass can bring strong light, but how much reaches the room depends on obstructions, the glazing and the season, so it's a bonus rather than a promise.
The kitchen opens off the living room and is built around Viking appliances, with a vented stove, a wine refrigerator, natural stone counters, a glass backsplash and a large pantry. In a kitchen used every day, the pantry earns its space because it keeps the counters clear. Next to the kitchen, the den or office has floor-to-ceiling windows and gets East light, so it's a good spot to start the morning.
The four bedrooms and three full bathrooms sit in their own wing, so the entertaining rooms stay separate from the sleeping areas. The primary suite has an oversized walk-in closet and a bath with a deep tub, a double vanity and a glass-enclosed shower. The other bedrooms face West onto the 100-foot courtyard garden, and they each have a generous closet with custom interiors.
Two zones of central air, hardwood floors and Sonos for music run through the home. A separate laundry room holds a washer and dryer. There's a large private storage bin included in the sale, plus bike storage.
The building is a white glove service condominium with a doorman and concierge. Shared spaces include an attended fitness center, a yoga and pilates studio, a 51-foot indoor pool, steam in the locker rooms, indoor and outdoor play areas and a basketball court. If you need more room to host, the sister Ariel East building across the street has a party room with a grand piano, a screening room and a catering kitchen. Pets are allowed, and that's worth noting.
Does the apartment have in-unit laundry?
Yes. A separate laundry room in the apartment holds a washer and dryer.
Does the building have a doorman?
Yes. The building has a doorman and a concierge.
What amenities does the building have?
The building has a fitness center, a yoga and pilates studio, a 51-foot indoor swimming pool, locker rooms with steam, indoor and outdoor play areas, a basketball court, a bike room, a game room, a children's playroom and a courtyard.

Curtis Bain
Brown Harris Stevens
Services and facilities
Wellness and recreation
Outdoor space
Estimate
The rate is a placeholder, not a quote. Enter the one your lender gives you.
$22,889 / month
Not included: attorney, title insurance, lender and appraisal fees, board application and move-in fees, flip tax and prepaid items. Estimates only, based on the published New York State rates. Your attorney and lender will confirm the real figures.
Gallery
Listing Courtesy of Brown Harris Stevens Residential Sales LLC
This 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.
The Neighborhood
Grand prewar residences flanked by two iconic parks and world-renowned cultural institutions.
Walkability
9/10
Public transit
9/10
Schools
10/10
Dining
9/10
Groceries & parks
9/10
Strong public schools like PS 87 and PS 199, top progressive private schools, and many students who transition into elite NYC high schools.
Private schools in the area include Collegiate School, Trinity School, Columbia Grammar & Preparatory School, The Calhoun School.
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