California Elections Code Section 15452

The person who receives a plurality of the votes cast for any office is elected or nominated to that office in any election, except: (a) An election for which different provision is made by any city or county charter. (b) A municipal election for which different provision is made by the laws under which the city is organized. (c) The election of local officials in primary elections as specified in Article 8 (commencing with Section 8140) of Part 1 of Division 8.