Shots were fired around 12:30 a.m. on the 1000 block of Beverly Lane.
Police arrived to find a man yelling for help from porch. They then discovered a man suffering from gunshot wounds to his chest.
The victim died before the paramedics arrived and he was pronounced dead at the scene.
He has been identified but his name is being withheld until family members are notified.
Anyone with information is asked to contact Chester Police Detective Charles Bothwell at 610-447-8430 or CID Detective Robert Fuss at 610 891-4707.