Sotheby's auction houses' New York headquarters at 1334 York Avenue

... search to the Post. The auction house is believed to be targeting Midtown, Related Companies' Hudson Yards site, Tribeca and the Meatpacking District, sources told the newspaper. "We continue to explore options as we determine what's best for ...

http://therealdeal.com/blog/2013/12/26/sothebys-auction-house-relocation-depends-on-sale-of-current-digs/