Red Bluff Police officers responded to 165 South Main Street at 10:36 a.m. Saturday morning for reports of a gunshot victim.
Upon arrival officers said a white adult male victim was located outside near one of the residences at the Flying A Mobile Home Park.
The 55 year-old man was unresponsive and was determined to be deceased.
The name of the victim is not being released at this time pending notification of the family.
Red Bluff Police said they are interviewing people who live in the area and so far no one has been arrested.
People who live in the area told KRCR News Channel 7 the death was a suicide.
However, Red Bluff Police said they are not ruling anything out and will continue to investigate the death.
Anyone with information is asked to contact the Red Bluff Police Department, Detective Division.