California Code, Elections Code - ELEC § 12287.5

A single-family residence shall not be designated as a polling place if elections officials determine that it has the registered address of a person who is required to register pursuant to the Sex Offender Registration Act.  Elections officials shall, not more than 60 days prior to designating a single-family residence as a polling place, use the Megan's Law Internet Web site maintained by the Department of Justice to determine if the residence has the registered address of a sex offender.  In accordance with subdivision (k) of Section 290.46 of the Penal Code, an elections official who is required to register as a sex offender shall be prohibited from accessing the Megan's Law public Internet Web site.