In January 2002, he began his first term representing the 46th district in New York City, which includes the Brooklyn neighborhoods of Bergen Beach, Canarsie, Georgetown, Flatlands, Marine Park, Mill Basin, Mill Island, Gerritsen Beach, Madison and Sheepshead Bay.

Fidler also served on the Education, Finance, Housing & Buildings, State & Federal Legislation, Veterans and Rules, Privileges & Elections committees.

[3] Fidler did not run for re-election in 2013 due to term limits; he was succeeded by fellow Democrat Alan Maisel on January 1, 2014.

In 1992 he was campaign manager for councilman Sal Albanese in a failed attempt to unseat congresswoman Susan Molinari in a year Democrats retook the White House.

[4] Fidler was the Democratic nominee for the New York State Senate special election being held on March 20, 2012.