Developed by American company Toll Brothers, it is the first building in New York City designed by Rem Koolhaas's architectural firm OMA.

[1] The headquarters of United Cerebral Palsy previously occupied the site at the southwest corner of Lexington Avenue and 23rd Street.

[2][3] Some of the $135 million profit was donated to the New York City Foundation for Cerebral Palsy.

The building is one of several new developments on 23rd Street, including the Madison Square Park Tower.

[5] The building will include a central courtyard, a pool, and a robotic parking system.