Flames broke out at the home on Bergen Avenue on Sunday evening.
Firefighters had to retreat from the building when the flames downed power lines.
No injuries were reported.
The Red Cross is now helping five displaced families, a total of 16 people, with temporary housing and other needs.
----------
* Get Eyewitness News Delivered
* More New Jersey news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a tip or story idea to Eyewitness News
Have a breaking news tip or an idea for a story we should cover? Send it to Eyewitness News using the form below. If attaching a video or photo, terms of use apply.