The former First Roumanian-American Congregation is being adapted for current locals, the architect said.
Residents said the developer is now trying to gain access to their backyards to finish construction.
Local officials have called for an investigation into the proposed shelter at 165 W. Ninth St.
The apartment sharing site does not violate Department of Buildings rules governing hotels, a board said.
Neighbors say they fear squatters may come into the home.
Officials are investigating whether Second Avenue subway construction led to cracks at the building.
The city council will decide whether to legalize a building used as a shelter without the proper permits.
Calexico hasn't opened its Park Slope location because it hasn't yet gotten a permit to renovate.
Dozens of homes deemed unsafe by the city will be taken down.
Hinyoung Limtung allegedly took more than $44,000 from would-be tenants for uninhabitable apartments.
The worker was taken to Harlem Hospital after falling about 12 feet, FDNY officials said.
Arunee Thai plans to open another outpost up the street.
The Department of Buildings has issued more than 300 after-hours permits for One57 in the past year.
The owner plans to appeal the decision, his lawyer said.
The owner of the Hopper-Gibbons House sued the city to keep a fifth-floor addition on the building.
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