The club was founded in 1997 through the amalgamation of Eden AFC (founded 1947) and Mount Roskill AFC (founded 1954). In 1994, Eden had merged with YMCA Grafton, a club with an illustrious history. YMCA Grafton was founded in 1985 as a merger between Grafton Rovers and Auckland YMCA, the latter of these teams having been a major team in the early days of organised football in Auckland. Auckland YMCA reached the semi-finals of the national knockout
Chatham Cup in
1928, and are also known to have reached the later stages of the competition in
1932. Three Kings United are one of 31 member clubs of the
Auckland Football Federation. ==Senior men's team==