It began around 4:00 p.m. Tuesday in the unit block of Rocky Pool Lane in the Red Cedar section of Levittown.
Initial reports said a man was holed up inside a home, possibly armed with a shotgun.
Police and SWAT units were dispatched to the scene and cordoned off the area, including a stretch of New Falls Road.
The incident ended peacefully about an hour later.
Images from Chopper 6 HD over the scene showed three officers leading a man in handcuffs from a home into a waiting patrol car.
No shots were fired and no one was injured.
There was no immediate word who the suspect is or what led to the standoff.