Kassay Leads Sussman in 4th Assembly District
Democratic incumbent Rebecca Kassay holds a commanding lead over Republican challenger Will Sussman in unofficial results.
Updated on Nov. 5, 2026 in Elections
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Rebecca Kassay led Will Sussman 57 percent to 41 percent in unofficial results for New York's 4th Assembly District on Election Day, November 4, 2026. Kassay declared victory, and Sussman conceded the race.
Why it matters
The result keeps the seat in Democratic hands and reflects the margin in a district covering Port Jefferson, Stony Brook, Setauket and surrounding communities. For New York voters, the outcome shapes representation in the State Assembly for the communities within the district.
Unofficial Board of Elections results put Kassay at 57 percent and Sussman at 41 percent as of about 6:15 p.m. Wednesday. The figures remain unofficial pending certification by the state's Board of Elections.
The players
Rebecca Kassay
Rebecca Kassay is the Democratic incumbent Assembly member seeking reelection in New York's 4th Assembly District.
Will Sussman
Will Sussman is the Republican challenger who ran for New York's 4th Assembly District seat.
The details
Sussman posted a video on Facebook acknowledging that the night did not go "our way" and congratulating Kassay on her win. The 4th Assembly District covers Port Jefferson, Port Jefferson Station, Stony Brook, Setauket, Terryville, Belle Terre, Strongs Neck, Poquott, and parts of Coram, Selden and Gordon Heights.
Timeline
November 4, 2026: Election Day, when Kassay led in unofficial results.
Wednesday, around 6:15 p.m.: Kassay declared victory as unofficial results were reported.
Political Context
The 4th Assembly District is one of the numbered state Assembly seats that make up New York's legislative map on Long Island. Unofficial results give the Democratic incumbent a clear lead in a district spanning the Port Jefferson and Stony Brook area.
Residents of the 4th Assembly District will have Kassay as their state Assembly representative if unofficial results hold. Final certified totals from the Board of Elections will confirm the outcome.
The takeaway
Unofficial results give Kassay a clear lead, and certification will make the outcome final. Voters can watch for official Board of Elections totals to confirm the result for the district.
Further reading
Explore more coverage in the Elections section for New York races and results.
Source note: This article includes information reported by Patch.
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