Municipal Judge Patrick Dugan on Tuesday denied bail requests from lawyers for Griffin Campbell and Sean Benschop, the demolition contractor and equipment operator charged in the June 5 collapse.
An unsupported brick wall of a four-story building being demolished crashed down onto a smaller Salvation Army store, trapping shoppers and workers in rubble. Fourteen people were also injured.
Campbell faces six counts including third-degree murder and Benschop is accused of involuntary manslaughter and other charges.
They will remain in prison until their preliminary hearings on February 18.