Authorities tell Action News, four of the units were occupied and more than half a dozen residents are displaced.
A construction company was demolishing the unoccupied part of the apartment building, however, the occupied section starting crumbling, too.
Construction worker threw rocks at Marvin Schnoll's window to tell him the building was coming down.
He and Alba Rivera tried to get out the door, but it did not open. They escaped via the second floor window.
They were able to save their cats from the collapsing building.
For nearly 8 hours, the couple watched as crews demolished the rest of building.
They say they made repeated calls to the management company Winder Real Estate, but so far no one has come out to help.
So they sit, thinking what might have been.
Click here to get the latest Philadelphia news and headlines from across the Delaware and Lehigh valleys.