LAPD said the shooting happened around 7:45 p.m. in the 14100 block of W. Monroe Place.
The homeowner was shot in the arm and was taken to a hospital, but police described him as being conscious and alert.
A description of the suspect or suspects was not available.
It's unclear if the victim knew the gunman or if the incident was a follow-home robbery. It's also unknown if anything may have been taken from the victim.