Section 61042 Of Chapter 3. Board Of Directors From California Government Code >> Division 3. >> Title 6. >> Part 2. >> Chapter 3.

. (a) The term of office of each member of a board of directors is four years or until his or her successor qualifies and takes office. Directors shall take office at noon on the first Friday in December following their election.
  (b) For districts formed before January 1, 2006, where the members of the board of directors are not serving staggered terms, at the first meeting after January 1, 2006, the members shall classify themselves by lot into two classes. One class shall have three members and the other class shall have two members. For the class that has three members, the terms of the offices that begin after the next general district election shall be four years. For the class that has two members, the initial terms of the offices that begin after the next general district election shall be two years. Thereafter, the terms of all members shall be four years.
  (c) Any vacancy in the office of a member elected to a board of directors shall be filled pursuant to Section 1780.