[1] Øvretveit started his youth career at his local side Telavåg, later playing for a cooperation team of Skogsvåg and Hald.

[2] Øvretveit signed a professional contract with Brann on 9 February 2011, which allowed him to play in league and cup matches for the first team.

In the season opener against Rosenborg, injury forced Piotr Leciejewski to come off as a first-half substitute, allowing Øvretveit to come on for his professional debut.

Although he conceding two goals, his performance was praised by Aalesund's coach Kjetil Rekdal, who stated that it wasn't Øvretveit's fault that Brann lost.

[10] Øvretveit joined Vard Haugesund on a one-month loan-deal 14 June 2013 to get match-training,[12] and played three matches for the club in the First Division during his spell.