It happened around 1:30 p.m. at a home under construction at 233 West Tulpehocken Street in the Germantown section.
The 24-year-old worker fell three stories off of a scaffolding.
He was taken to Albert Einstein Medical Center with head trauma and was later pronounced dead.
There is no word yet on how the accident happened.
Investigators tell Action News this appears to have been an accident.