The "30 Rock" actor is a Philharmonic board member and hosts its radio show, "The New York Philharmonic This Week."
Baldwin said in a statement that the gift is in honor of outgoing President and Executive Director Zarin Mehta, who he says made his dream of becoming part of the world of classical music come true.
The donation is from proceeds Baldwin received from a Capital One advertising campaign, according to the Philharmonic.
Baldwin, 54, married Hilaria Thomas in Manhattan on Saturday.
