2007 California Elections Code Article 1. General Provisions

CA Codes (elec:2000)

2000.  (a) Every person who qualifies under Section 2 of Article II
of the California Constitution and who complies with this code
governing the registration of electors may vote at any election held
within the territory within which he or she resides and the election
is held.
   (b) Any person who will be at least 18 years of age at the time of
the next election is eligible to register and vote at that election.