CORE was founded in 2005 by Jack Cayre (the son of real estate developer and music and video executive Joseph Cayre) and South African immigrant Shaun Osher.
[1][2][3] The name is an acronym for Cayre Osher Real Estate.
It has offices in Chelsea, Flatiron, Union Square, Madison Avenue and Brooklyn.
[4] In March 2010 The Real Deal announced CORE’s participation in the HGTV reality show, Selling New York.
[5] In 2014 Related Companies acquired a stake in CORE.