It was just before 10:00 a.m. when police were called out to the 1600 block of West Chelten Avenue.
When officers arrived they found a woman in her 30s suffering from a stab wound to the chest.
She was pronounced dead at the scene.
According to police, someone inside the building found the victim and then notified authorities. Police do not know how long the victim was dead before being found.
There is no word on arrests or a motive at this time.
The victim's identity has not been released.