Judge King was appointed a District Court Judge with a Family Court warrant in 2019. Her Honour is a resident judge at Whangarei DC which includes the Northland circuit (Kaitaia and Kaikohe). Shortly after her appointment, Judge King was designated a Youth Court judge. This has enabled the extension of the Crossover Court to both Whangarei and Kaikohe. Judge King has a particular interest in solution-focused judging and has overseen the establishment of a specialised care and protection list in the Whangarei Family Court.
Judge King is a founding partner of King Alofivae Malosi, the first Māori and Pacific law firm established in 1994, which has since produced six sitting District Court judges.