Luxury auction house Sotheby’s has sold its longtime Manhattan headquarters in a blockbuster $510 million deal that ranks as one of the largest in New York this year.
Sotheby’s sells its longtime New York home to Weill Cornell Medicine for $510 million
Auction house to lease back some floors of Upper East Side building
By Andria Cheng
CoStar NewsOctober 3, 2025 | 5:58 P.M.
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IN THIS ARTICLE
- Properties
- Sotheby's
1334 York Ave, New York, NY
- Breuer Building
945 Madison Ave, New York, NY
- Companies
- Sotheby's
Retailer
- Weill Cornell Medicine
Health Care and Social Assistance
- Contacts
- Joe Messina
Senior Managing Director, JLL
- David Giancola
Senior Managing Director, JLL
- Geoff Goldstein
Senior Director, JLL
- Douglas Middleton
Vice Chairman, CBRE
- Mary Ann Tighe
CEO, New York Tri-State Region, CBRE