Choreographers Jerry Mitchell and Larry Keigwin hosted the event.
The annual Broadway celebration will take up residency in the brand-new Times Square plaza.
The amount is the largest contribution in BC/EFA's history.
The concert event, featuring the music of Murder for Two's creators Joe Kinosian and Kellen Blair, will benefit Broadway Cares/Equity Fights AIDS.
Monk's guests will include Andrea Martin, Victor Garber, Ron Rifkin, and more.