The fire started after 4:30 a.m. Thursday on the 1400 block of East Washington Lane.
Firefighters arrived to heavy flames showing from the rear of the property.
PECO and PGW crews also arrived after sparking wires were reported.
It took firefighters about an hour to get the blaze under control.
The injured man was taken to the hospital for treatment.
So far, no word on a cause.