Western Australia Police are urgently seeking assistance in locating 65-year-old man, Brian Gould.
Mr Gould was last seen leaving an address on Selwyn Court, Girrawheen around 3pm on Thursday 3 September.
He is described as being light-skinned, around 183cm tall, with solid build, blue eyes and brown hair. He was last seen wearing a black flannel shirt, pants and Ugg boots.
Mr Gould has a medical condition that requires medication, which he did not take with him.
Anyone who sees Mr Gould or has information regarding his whereabouts is asked to call police immediately on 131 444.