Democrat Alessandra Biaggi has won the state Senate's 34th District, News 12 is projecting.
Biaggi defeated Republican opponent Richard Ribustello, incumbent Jeffrey Klein and Conservative Party candidate Antonio Vitiello.
Biaggi gained the party's nomination by defeating incumbent Klein in the Democratic primaries.
Klein remained on the ballot, but on the Independence Party line.
Biaggi said after her projected victory that "the sky is the limit" with a possible majority in the state Senate.