Pittsburgh Police officers from Zone 1 responded to a call for an unresponsive female in the 400 block of W. Commons Street at 7:50 a.m.
Responding officers located an elderly female outside an apartment building. She was pronounced deceased by medics just before 8 a.m.
Detectives from Major Crimes and the Crime Scene Unit processed the scene.
The cause and manner of death will be determined by the Allegheny County Medical Examiner's Office.
The investigation is ongoing.