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$5,350,000
MLS# RLS20115450 · Lenox Hill
Originally listed at $5,500,000. Price last reduced on September 23, 2026.
Listed September 16, 2026 · 42 days on the market
3 Beds 4 Baths
Perched on the 15th floor of 605 Park Avenue, this expansive combined residence offers exceptional scale, flexibility, and the ease of full-service Park Avenue living.Currently configured as a spacious three-bedroom, four-bathroom home, the layout can easily be returned to four bedrooms if desired. A gracious entry gallery leads to an oversized living room with impressive proportions, centered around a decorative fireplace and complemented by a custom-built bar finished in antique glass. Just off the main living space, a banquet-sized dining area creates a comfortable yet refined setting for everyday living and entertaining alike.A separate library, tucked behind concealed pocket doors, adds architectural interest and versatility. Whether used as a den, media room, or restored to a fourth bedroom, the space adapts easily to changing needs.The windowed kitchen is thoughtfully appointed with a Viking range, Sub-Zero refrigerator/freezer, and a separate Sub-Zero wine refrigerator. An in-unit washer and dryer - a rare convenience in Park Avenue cooperatives - adds a practical touch.The private bedroom wing is well separated from the entertaining spaces. The primary suite includes a substantial walk-in closet that can double as a discreet home office or dressing room. Its five-fixture bath features a soaking tub, separate walk-in shower, and generous proportions. Each additional bedroom has its own en-suite bath, offering comfort and privacy for family or guests.Built in 1954 and designed by architect Sylvan Bien, 605 Park Avenue is a well-regarded 105-unit postwar cooperative known for its attentive white-glove service. Residents enjoy a full-time doorman, live-in resident manager, private parking garage, fitness center, landscaped garden and entertaining deck, bike storage, and additional storage options. Pet-friendly and meticulously maintained, the building remains one of Park Avenue's most established full-service addresses.

Curtis Bain
Brown Harris Stevens
Services and facilities
Outdoor space
Estimate
The rate is a placeholder, not a quote. Enter the one your lender gives you.
$34,933 / month
Co-op share loans aren't subject to mortgage recording tax. 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 The Agency Brokerage
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.
$5,495,000
900 5TH Avenue 6A, Lenox Hill
3 Beds 3 Baths
Listing Courtesy of Corcoran Group
$5,600,000
18 E 77TH Street 5AB, Lenox Hill
3 Beds 4 Baths 2,200 Sq.Ft.$2,545/sq ft
Listing Courtesy of Serhant
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3 Beds 4 Baths
Listing Courtesy of Sothebys International Realty
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605 PARK Avenue 15D
Walking times are estimates. Schools shown are the nearest public and charter schools and are not zone assignments; a nearby school is not necessarily the one an address is zoned for. Confirm zoning with the NYC Department of Education. Sources: MTA, NYC Parks and NYC Department of City Planning open data.
The Neighborhood
A refined Upper East Side enclave of prewar elegance, Central Park proximity, and Madison Avenue prestige.
Walkability
9/10
Public transit
9/10
Schools
9/10
Dining
9/10
Groceries & parks
9/10