Bieber officially cleared out Monday. An email had circulated among tenants, suggesting a party when the day came that Justin was a memory ... so Saturday night should be crazy at the condo.
Biebs has terrorized his neighbors since he signed the lease back in June.
June 24 -- Days after Bieber settled in neighbors are already complaining
July 3 -- The building hires extra security
July 21 -- Cops called to the condo six times in one night for Bieber-related problems
July 29 -- Cops show up to tell residents how to handle Bieber
October 15 -- A Bieber homecoming party is busted up by cops
We've heard Bieber is looking to rent an L.A. home, but so far nothing's in cement.