Let's take a look at 144 E 6th Ave in Mount Pleasant.
Along with the nearby Depencier house, this one might qualify as the oldest residence outside the downtown core.
Built in 1894 or so, the photograph is from 1958, the oldest one I could find in the Vancouver Archives. The house is now home to The James Black Gallery.
John Bentley is an architectural photographer who has photographed the inside and outside of thousands of buildings around Vancouver. Using images from the Vancouver Archives he offers a glimpse of the past and present on his site Vancouver Now & Then.