Cal. Gov. Code § 36503

Unless otherwise required by Section 57379, a general municipal election shall be held on a date prescribed by Section 1301 of the Elections Code. Except as otherwise provided in this title, all elective city offices shall be filled by the city electorate at a general municipal election. City officers holding elective city office shall hold office for their prescribed terms from the date of the installation of officers following adoption by the council of the official canvass of their election and until their successors are elected and qualified.