De Blasio, a lifelong Democrat, would challenge former Rep. Max Rose in a June primary if he decides to jump into the race. The victor will likely face incumbent Nicole Malliotakis, whose advantage in a district that supported Donald Trump in 2020 was diminished by new district lines released this week that swap out swing areas in Southern Brooklyn with more progressive neighborhoods.

Malliotakis, who beat Rose in 2020, called the redistricting “a blatant attempt by the Democrat leadership in Albany to steal this seat, even after New Yorkers voted twice by ballot referendum for non-partisan maps.”