The 199th New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 5, 2011, to December 31, 2012, during the first two years of Andrew Cuomo's governorship, in Albany.

An extraordinary session of the State Senate was held on December 7, 2011 to codify a tax code reform promoted by Cuomo.

Michael Gianaris, Adriano Espaillat, Greg Ball and Tom O'Mara changed from the Assembly to the Senate.

Note: For brevity, the chairmanships omit the words "...the Committee on (the)..." The asterisk (*) denotes members of the previous Legislature who continued in office as members of this Legislature.

Note: For brevity, the chairmanships omit the words "...the Committee on (the)..."