Police first received reports of a violent confrontation at a home on the 900 block of King Georges Way late on Saturday night.
Officers secured the home and arrested the suspect on Sunday morning.
The investigation, which is being conducted in association with the Vancouver Police Department, is still underway and number of charges are being considered by police.
No other details, including the name of the suspect or victim, have been released.
West Vancouver Police normally conduct homicide investigations with the VPD. In return, West Vancouver Police assign a detective on a full- time secondment to VPD Homicide.