The son of the Westchester rabbi who has coronavirus works for Mayor Bill de Blasio and has tested negative for the disease, according to a City Hall spokeswoman.

Avi Fink, chief of staff for the Mayor’s Office of Management and Budget, does not live with his father, a mayoral spokeswoman said.

Fink, 35, lives in Queens.

His father, Reuven Fink, is the rabbi of Young Israel in New Rochelle — the synagogue at the center of a Westchester County outbreak.

The rabbi tested positive for the coronavirus last week.