Bricks spilled into the street from a Morris Heights auto shop's facade, neighbors said.
Officials said they did not know when residents would be able to return to 85 Christopher Street.
The explosion and building collapse is one of several in Harlem in the last few years.
Three women were killed and at least 46 were hurt when the blast leveled two Park Avenue buildings.
One of the two buildings that collapsed in Wednesday's explosion had a gas pipe installed last June.
The city encouraged people to call 311 for information on their missing relatives.
A three-story home under construction on Prospect Place crumbled, hurting eight men, fire officials said.
The department of buildings said the structure was used as an office for B&L Auto Repair.
The building at 78-19 Jamaica Ave. collapsed Friday evening, the FDNY said.
The Department of Buildings issued a stop work order after the collapse at 867 E. 95th St.
The incident unfolded at 1890 Adam Clayton Powell Blvd.
The 194-year-old building that suffered a partial collapse Wednesday has long sat in disrepair.
No one was injured in the collapse at 11 Woodrow Court Wednesday morning.
The search for the family members of Winston Gillett, 67, is over.
The Greenpoint Shul, the only synagogue in Greenpoint, had no rabbi before 2009 but now is a local hub.
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