Inside 640 Park Avenue: A $25M Full-Floor Trophy Co-op With Armory Views
A full-floor Park Avenue co-op is already rarefied territory—but 640 Park Avenue is in that even-smaller category of addresses that feels like shorthand for old New York. Now, a sprawling 15-room residence is on the market for $25 million, offering a trophy-scale layout with a dramatic 70-foot expanse of entertaining space positioned lengthwise along Park Avenue. Oversized windows frame unobstructed views of the historic 1879 Seventh Regiment Armory, turning the living and entertaining rooms into a front-row seat to Manhattan’s architectural history.
The arrival is pure statement: a private elevator landing opens to a 375-square-foot gallery designed with serious art collecting in mind. Inside, the apartment is defined by volume and light, with 10-foot ceilings, four exposures, and a current configuration of five bedrooms, six baths, and two staff rooms. One of the signature flourishes is a J.E.R. Carpenter detail described as a “seductive” gallery corridor—seven feet wide and 48 feet long—that draws you toward a more secluded private wing.
The building itself is a masterclass in Park Avenue pedigree. Developed in 1914 by the Fullerton Weaver Realty Company and designed by J.E.R. Carpenter, 640 Park is an opulent limestone presence—and, as noted by the late Christopher Gray, a residence that marked Carpenter’s “arrival into the stratosphere of luxury.” Tucked on the northwest corner of 66th Street, it’s also exceptionally intimate by Park Avenue standards: just 12 full-floor residences in total, which helps explain the near-mythic “if you know, you know” status.
And then there’s the lifestyle: white-glove service, proximity to The Frick Collection and the Met, and the kind of co-op rules that don’t make you feel like you’re negotiating for basic freedom—no summer work rules, and pied-à-terres permitted. The apartment has been owned for many years by prominent Filipino businessman Jorge Araneta and his Colombian ex-beauty queen wife Stella Márquez, who was crowned the first Miss International in 1960—adding a layer of real society-history to a listing that already reads like Park Avenue folklore.
The listing broker is Lisa Simonsen, one of the top agents with Brown Harris Stevens and Roberto Cabrera.
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Douglaston Development has launched sales at 175 East 82nd Street, a 73-residence CetraRuddy-designed condominium on the Upper East Side with four Central Park-facing penthouses.