Marshmello has felt “Happier” than he does proper now … ‘trigger cops say thieves broke into his Los Angeles house earlier this week.

We’re informed Marshmello’s safety got here to his crib Thursday afternoon and located the home ransacked … and once they watched the safety system video, they noticed the hit went down Tuesday.

Regulation enforcement tells TMZ the burglars made off with a secure. The LAPD responded and took a housebreaking report.

When he will get again into city, the DJ and music producer should inform the cops no matter was within the secure, and the worth of every merchandise.

We’re informed no arrests have been made to this point, and the investigation is ongoing. We have reached out to Marshmello’s camp … to this point, we have not heard again.