The smoky blaze broke out in the 2½-story wood-frame house on Walton Street off South Maple Avenue around 12:30 p.m. Thursday, May 4.
Reports that a contractor was at work at the time couldn't be confirmed.
Ho-Ho-Kus firefighters provided mutual aid. Ridgewood police, EMS and OEM all responded.
Boyd A. Loving took the photos and contributed to this account.
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