A firefighter sustained a minor injury in the 2 a.m. blaze on Prospect Avenue.
Garfield firefighters were joined by their colleagues from Elmwood Park, Hackensack, Lodi, Saddle Brook, Teaneck and Wallington.
They had the blaze officially knocked in about an hour and a half.
The Bergen County Prosecutor's Arson Investigation Unit was summoned.
PHOTOS by Damien Danis for DAILY VOICE
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