On November 7, 2006, California voters approved Proposition 83, known as "Jessica's Law" which offers better protection to California residents, especially children, from sex offenders. Prop 83 also allows local jurisdictions to further restrict residency and loitering of registered sex offenders. On May 5, 2009, the Arcadia City Council voted in favor of introducing Ordinance #2257, amending the Arcadia Municipal Code, adding a section that covers "Residency and Loitering Restrictions for Sex Offenders."
This local ordinance impacts future persons registering as sex offenders and those offenders registered on or after November 8, 2006. The ordinance not only has residency requirements but also allows for exclusionary zones near schools, parks, and other places where children may gather.