Joel Valera, 37, is booked in the Fresno County Jail on homicide charges.
Fresno County Sheriff's deputies say Valera shot Arthur Gomez at his home near South A Avenue and Seventh Street on Friday afternoon. The 39-year-old victim was transported to Community Regional Medical Center, where he later died.
Detectives served a search warrant at Valera's house next door and found guns they believe were used in the shooting. The motive for the crime is still under investigation.
Anyone with information about this case is asked to contact detectives at (559) 600-8205.