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Democratic Primary Final Stretch — Early Voting Runs Through Sun Jun 21, Election Day Tue Jun 23; Mamdani-Endorsed Slate (Lander NY-10, Valdez NY-7, Avila Chevalier NY-13) Faces First Big Test of Mayoral Coattails

June 19, 2026NY1 | NBC News | PBS NewsHour | Washington Times | City & State NY Official
Read the full story at NY1 | NBC News | PBS NewsHour | Washington Times | City & State NY
Summary

NY Democratic congressional primaries land Tue Jun 23 with early voting through Sun Jun 21. Mamdani has staked political capital on three insurgent picks: ex-Comptroller Brad Lander challenging Rep. Dan Goldman in NY-10 (Manhattan/Brooklyn), Assemblywoman Claire Valdez in the open NY-7 (Brooklyn/Queens), and organizer Darializa Avila Chevalier challenging Hispanic Caucus chair Rep. Adriano Espaillat in NY-13 (Upper Manhattan/Bronx). Outcome reads as the first quantitative test of Mamdani's endorsement clout six months into the mayoralty — wins would expand his federal lane, losses puncture the "movement mayor" narrative.

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