Flames blew out a first-floor window of the Hudson Street office building, which also houses a law firm and a temp agency, among other businesses.
Englewood and Teaneck firefighters were among the mutual aid responders to the two-alarm fire, which broke out around 7 p.m. and was declared under control a little over 45 minutes later.
Mahwah firefighters brought their airboat, with its huge, rear-facing propeller, to help ventilate the building after high levels of carbon monoxide were detected.
A city building inspector also responded.
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