A building super died following an assault at his own complex in Flatbush.

It happened around 8:15 Wednesday morning at 1199 Ocean Ave. near Glenwood Place.

The victim’s family identified the super as 41-year-old Burim Havolli.

Police said they found Havolli with serious head injuries. He was taken to a hospital where he later died.

A police source confirmed to News 12 that the victim confronted someone about stolen packages before an argument that escalated to the deadly assault.

Petrit Havolli described his cousin as a good man and a family man.

“There are no words that I can explain,” said Petrit Havolli. “This is sad. He left behind three children. I cannot believe it. I cannot believe he’s not alive today. ”

Police said they had a person of interest is in custody but no charges had yet been filed as of Thursday afternoon.

The medical examiner is working to confirm the exact cause of death.