Lethal Weapon 4 was filmed in Los Angeles in the United States of America.
Paradise Cove
In movie
Scene where Martin Riggs and Lorna Cole live in a trailer house on the beach.
Real
Scene was shot Paradise Cove in Malibu is a public beach in front of a privately-owned facility by the same name. The property and the restaurant has surfboards all around and the outside seating area has wooden lounge chairs, palm trees, and thatched umbrellas that almost has a Hawaiian feel.
Malibu