Delta Police say they were called to the home in the 4900 block of 5 Avenue by paramedics. An elderly man was declared dead at the scene.
Police aren't releasing many details, but say the victim and the suspect, another male, knew each other.
The death is not connected to any drug or gang activity and the public is not at risk according to police.
MAP: 4900 block, 5 Ave., Delta, B.C.