South Pasadena police asked anyone with information about the boy to call them at (626) 403-7297.
Detectives from the Los Angeles County Sheriff's Department's Missing Persons Detail are working together with South Pasadena Police Department to locate a missing child, Andressian, Aramazd Jr.
Andressian's bail was initially set at $100,000, but a judge increased it to $10 million after detectives explained that the boy was still missing and had also provided more information about the case.
Sheriff's Lt. Joe Mendoza said they are searching other locations in Southern California for Aramazd Andressian Jr., without saying where those searches were happening. His parents are in the process of a divorce.
A California man has been arrested after he was found passed out in a park following the disappearance of his 5-year-old son.
More than 125 searchers combed the area near where the father's vehicle was found, but they found no trace of the missing boy.
Andressian Aramazd Jr.'s family is very concerned and asking for the public's assistance.
He was arrested for child endangerment after being found unconscious at a park in South Pasadena.
Officials say Aramazd Andressian, Sr. was discovered unconscious earlier Saturday at a city park.
'There's got to be someone out there that knows the whereabouts of Aramazd Andressian, ' Miller said.
The father did not appear to be the victim of a crime, police said. Andressian Sr.is required to allow the boy to make Skype calls to his mother on Tuesdays and Thursday while he has the child in his care.
Investigators said that Andressian Sr.'s BMW was spotted in Orange County on Friday, around an hour away from South Pasadena.
Aramazd is described as 4 feet 1 inch tall and weighs 55 pounds.
In a Facebook post late Sunday, the South Pasadena Police Department said it was still "pursuing leads" and had requested assistance from the Los Angeles County Sheriff's Department.
SCV Search & Rescue Team assisted South Pasadena PD during the night in the search for a missing 5-year-old boy.