Mr. Costello was taken to the hospital with serious injuries. His condition is unknown.
Police say they have responded to the Sturtevant Hill Rd. home for multiple previous domestic disturbances.
No one else was home at the time of the shooting.
Earl-Costello is in custody, charged with elevated aggravated assault.
During a search of the home, deputies say they found a firearm that is believed to be the one used during the incident.