Justin Bieber threw a rager last night and the next-door neighbor with whom he has been at war called the authorities 3 times ... TMZ has found out.

Justin held a wild affair at his Calabasas home for approximately 100 student consisting of Snoop Lion. Obviously the sound was excessive for a few of the locals and cops were called at around 1 am.

We're told the L.A. County Constable's Replacements spoke to somebody within, informed them to keep the sound down and.

The sound didn't stop. At around 3 am Justin's next door next-door neighbor-- the man that Justin purportedly spew on during a prior altercation-- called once again and deputies came out a second time. The next-door neighbor informs TMZ cops told him they scented cannabis inside however left without arresting anybody.

At 5:30 am the neighbor could not take it anymore ... replacements came out a 3rd time and he submitted a police record versus Justin for interrupting the calmness.

The police officers will certainly create a complete record and afterwards make a decision whether to deliver it on the L.A. County DA for possible prosecution.

Farah Hin