According to CBS News, his body was found on Tuesday in an area surrounding Borrego Park in Lake Forest.
Police are investigating his death as a murder.
On January 2, the night of his disappearance, he was picked up by a friend in a car from his parents’ Orange County home.
A lawyer and friend of the family told CBS Mr Bernstein and the friend drove to the park at 10.30pm.
Mr Bernstein is believed to have left his friend there to meet another unidentified person there alone.
When he did not return the driver texted Mr Bernstein without response and was unable to find him in the park.