Voters in three of Long Island’s four Congressional districts will head to the polls this month to choose their parties nominees in several closely watched primary races.

A pair of political newcomers are competing in the Democratic primary for the chance to challenge incumbent Republican Congressman Nick LaLota.

Voters will select nominees for both parties.

Nassau GOP chairman Joe Cairo has endorsed Jeanine Driscoll, Hempstead Town Receiver of Taxes, to challenge freshman Democratic incumbent Laura Gillen. Also running in the Republican primary is Marvin Williams, a U.S. Air Force veteran and minister. Driscoll secured the Nassau GOP endorsement after former Congressman and current U.S. Labor Department Inspector General Anthony D’Esposito opted not to run in what would have been a rematch with Rep. Gillen.

New York’s longest serving statewide elected official, State Comptroller Tom DiNapoli (D–Great Neck Plaza), is facing his first primary challenge since taking office in 2007.

Two Democrats are running against him:

One of Long Island’s most closely watched 2026 primary contests is unfolding on the East End. Incumbent East Hampton Town Supervisor Kathee Burke‑Gonzalez is being challenged in the Democratic primary by East Hampton Village Mayor Jerry Larsen. Because Democrats significantly outnumber Republicans in East Hampton, the primary winner is widely expected to be favored in the November general election.