The volunteer fire crew responded to a report of flames billowing from the gutters and attic of 116 Main St. and quickly activated a second alarm, authorities said.
A Hackettstown Police officer located the child on a bed and safely carried him outside, authorities said.
With help from mutual aid and a “quick and efficient response” from the department, the crew successfully kept the blaze confined to the attic and prevented it from spreading to adjacent buildings.
The first-floor FrutiMex storage facility sustained minor water damage, authorities said. Both apartments were deemed uninhabitable.
Route 46 and several side streets were closed between West Stiger St. and Grand Avenue until about 3:45 p.m., authorities said.
Both the cause of the fire and the unattended child remain under investigation.
No injuries were reported.
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