Officers were called to the house in the 2100 block of Princeton Avenue around 12:30 Sunday morning.
Inside they found the body of 36-year-old Arthur Figueiredo.
Authorities say he was wrapped in a sheet and packing material, lying on the basement floor.
Detectives took 34-year-old Paul Figueiredo, the victim's brother, into custody.
Police say blunt force trauma was the cause of death.
Authorities say the victim may have died days before he was found.