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Weill Cornell Buys Sotheby’s NYC Headquarters in Sale-Leaseback

Sotheby’s has sold its former headquarters on Manhattan’s Upper East Side to Weill Cornell Medicine for $510 million, Bloomberg News reported. The auction house agreed to lease back space in the 10-floor building at 1334 York Ave. as part of the deal.

“We will use the proceeds to further reduce debt and invest even more fully in our core business, including renovating our leased office space at York,” Sotheby’s said in a statement. “We’ll now have a best-in-class front of house, back of house and staff working environment, all aligned with our brand and client expectations, and all at a lower net annual cost.”

The York Avenue building, one block from the East River, was the home of Sotheby’s starting in 1980. The auction house is set to relocate to the Breuer building at 945 Madison Ave., which formerly housed the Whitney Museum of American Art, Bloomberg reported. Weill Cornell has leased space at 1334 York since 2023.

JLL’s David Giancola, Geoff Goldstein and Steve Klein represented Weill Cornell. CBRE’s Doug Middleton and Mary Ann Tighe represented Sotheby’s.

From capital markets and investment strategies to development trends, leasing, and the evolving needs of healthcare providers, Connect Healthcare Real Estate 2025 dives into the most pressing issues shaping the sector, exploring how demographic shifts and economic forces are driving opportunity. Join us October 14–15, 2025, in Irvine to get ahead of what’s next in healthcare real estate:  www.ConnectHealthcareCRE2025.com 

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About Paul Bubny

Paul Bubny serves as Senior Content Director for Connect Commercial Real Estate, a role to which he brings 16-plus years’ experience covering the commercial real estate industry and 30-plus years in business-to-business journalism. In this capacity, he oversees daily operations while also reporting on both local/regional markets and national trends, covering individual transactions across all property types, as well as delving into broader subject matter. He produces 7-10 daily news stories per day and works with the Connect team and clients to develop longer-form content, ranging from Q&As to thought-leadership pieces. Prior to joining Connect, Paul was Managing Editor for both Real Estate Forum and GlobeSt.com at American Lawyer Media, where he oversaw operations at both publications while also producing daily news and feature-length articles. His tenure in B2B publishing stretches back into the print era, and he has served as Editor in Chief on four national trade publications. Since 1999, Paul has volunteered as the newsletter editor of passenger rail advocacy groups (one national, one local).

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