What the public record says
Mayor - Gary Singh | District 1 Councilmember - Lance Nishihira | District 2 Councilmember - Jaime Patiño | District 3 Councilmember - Jeff Wang | District 4 Councilmember - Scott Sakakihara is the holder text published for City Council.
That statement is limited to the dated CalRoster field supplied by City of Union City. Election.org does not infer whether the position is elected or appointed, does not invent term dates, and does not treat the roster as a live feed.