1 E 66th Street #9EF
MLS® #RLS20049125
Listing by Compass
4
Bedrooms
3.5
Baths
N/A
Sq. Ft.
1949
Year Built
Quick Summary
Property Highlights
- Outdoor Space: Terrace
- Fireplace: 1 fireplace
- Climate Control: Central Air
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Sep 16, 2025 | $5,995,000 | - |
| Currently | May 4, 2026 | $5,995,000 | - |
Description
A True Masterpiece in the Heart of Fifth Avenue Apartment 9EF at 1 East 66th Street is a truly exceptional offering, presenting a once-in-a-lifetime opportunity to own an unparalleled residence. This expansive, south-facing, sun-drenched apartment is uniquely positioned to provide breathtaking views of Central Park, hotel-style living, and a floor plan with perfect bones for maximized living. Boasting three generous king-sized bedrooms, 3.5 elegantly appointed bathrooms, and a private outdoor terrace, this residence represents the pinnacle of sophisticated city living. With the flexibility to easily convert into a 4-bedroom, it is ideal for either a primary residence or a pied-à-terre. Located on a prestigious high floor, within one of the city’s most coveted co-ops (the first building on the park), this residence offers a wealth of luxury and convenience. As you enter the formal gallery, you are met with a gracious layout and an inviting feel. The oversized family and living rooms, each featuring its own fireplace—one wood-burning, one decorative—invite effortless entertainment. A library/office alcove, with a wet bar, seamlessly connects to the private southern-facing terrace, offering a peaceful sanctuary for relaxation and a safe haven for pets alike. The beautifully designed eastern wing includes a private hallway leading to the serene primary suite, complete with a dressing area, two walk-in closets, and a spa-like marble bath. The second bedroom also features an en suite marble bath and a walk-in closet. The western wing boasts a separate king-sized bedroom with an en suite bath and ample closet space, ensuring both comfort and privacy. The windowed chef’s kitchen, fully equipped with state of the art appliances, a separate pantry, and a separate staffing entrance, offers ample space for culinary creativity. The adjoining formal dining room provides an intimate setting for guests. Exquisite design meets modern amenities with central air conditioning, in-unit laundry, and impeccable finishes throughout. This home has been thoughtfully renovated to provide the ultimate in luxury, while maintaining the architectural integrity of its classic design. 9EF is perfectly crafted for discerning individuals. This apartment provides a rare combination of grandeur and comfort. The prestigious 1 East 66th Street is a full-service building offering unparalleled hotel-style services. The dedicated doorman, concierge, and superintendent teams ensure a seamless living experience and run the building 24/7. Residents also enjoy the exclusive on-site restaurant, offering a rotating daily menu for private in-apartment dining. The resident manager oversees all apartment maintenance, including maid services, gym, laundry facilities, and private storage units. This is a pet-friendly building where both full-time residents and pied-à-terres are warmly welcomed. Please note that a large storage unit is transferred with the sale, and there is an $820 monthly fee that applies to the restaurant. Virtual staging has been used in some photography to showcase the layout and potential of the space.
Features & Amenities
Interior Features
Exterior Features
Building Amenities
Building Information
Financial Details
About Lenox Hill
View All Lenox Hill ListingsLenox Hill occupies a residential section of the Upper East Side, defined by proximity to Central Park, major medical institutions (Memorial Sloan Kettering, Weill Cornell, Lenox Hill Hospital), and the Madison Avenue retail corridor. Housing stock ranges from large pre-war cooperatives to modern condominiums with East River and skyline views.
Lenox Hill Live Market Data
View NeighborhoodActive Listings
607
Median Asking Price
$1.18M
Median $/Sqft
$1,315
Avg Days on Market
N/A
New This Week
19
Price Reduced
34%
Sold (30 Days)
55
Median Sale Price
$1.29M
Live data from RLS at REBNY • Updated 5/4/26, 1:53 AM EST
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1 E 66th Street #9EF, Lenox Hill, New York County
Virtual Tour
Floor Plans
Building Information
Official NYC property records for this building
Tax & Assessment
Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.
Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)
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Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Building Data
NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning. Updated quarterly.
Market Data
RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.
Map & Location
OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.
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Frequently Asked Questions
Common questions about this property
The current listed monthly maintenance are $10,203 per month. Confirm the exact amount with the listing broker before making an offer.
The current listed annual property tax is $0, or roughly $0 per month. Verify the current assessment with your attorney before closing.
This property has 4 bedrooms and 3 full bathrooms and 1 half bathroom.
According to MLS records, the building was constructed in 1949, making it approximately 77 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.
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) 416-7433Listing Courtesy of Compass - Zachary Goldstein
Listing Contact: (973) 787-7345
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 Data display by Keller Williams NYC. Data last updated on 5/4/2026 at 5:53 AM UTC