Companies were alerted for a Porch on Fire. PHPD arrived updating Smoke from the 2nd Division Possibly a Bed Room with everyone out of the Residence. Preconnects pulled from 221 SQ with crews from 221 and 122 into the first and Second Floors. 225 Truck laid 800' of Supply line to 221 SQ. 225 Capt. took Operations. Crews Found Heavy Fire in the Basement. Fire was undercontroll in just under 45 min. Crews operated for some time with extensive overhaul and Clean up. Fire Marshall is Investigating.