The hotel heir, 21, was arrested this time outside ex-girlfriend Hunter Salomon's home after reportedly violating the restraining order she obtained.
A spokesperson for the Los Angeles Police Department confirmed that Hilton was arrested for violating a court order.
Conrad was last arrested in February 2015 after threatening passengers and flight attendants during an international flight in July.
Following his arrest and admission to having smoked pot in the plane bathroom and threatening to kill one flight attendant, he voluntarily checked into a rehab facility.
In April 2015, Conrad was charged with a felony count of recklessly disregarding and fleeing the siren and flashing light of a patrol vehicle in August 2014. He had been speeding, driving over 90 mph in Palm Springs.
