The social media mogul unloaded the space for $4,999,999 -- he was originally asking just under $5.5 mil when he put it on the market back in March. He paid $5M last year, so he's probably losing a bit.

Before Adin moved in, it was home to the likes of NBA star Kelly Oubre Jr. and Charli D'Amelio's fam.

The pad is pretty sweet ... multiple fireplaces, a 3-car garage, a saltwater pool, and spa. It also has lots of privacy, backed up against a hill.

TMZ broke the story, Adin was the victim of repeat swatting pranks at the house. It got so bad, cops needed a workaround -- contacting his security team to confirm if the call was real or bogus before sending officers and choppers to the scene.