Authorities responded to the incident in the 3500 block of Longridge Avenue at about 5:45 a.m. It is unclear if the victim lived at the home. He was taken to a local hospital for a non-life-threatening injury.
Police think the motive may have been robbery.
The suspect fled on foot in an unknown direction. He is described as a white male, wearing a black jacket and a black ski mask. Police said he was armed with a shotgun and a handgun.
Anyone with information is urged to call the LAPD Van Nuys station at (818) 374-9500.