The typical asking rate per listing is in the $10's per square foot per year. The Metro Vancouver region is seeing a a rise in rates. In the last 3 months, the median rate rose $17 per sqft per year.
In the last 90 days, 17 listings have been posted online, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 6% of the listings in the Metro Vancouver are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,230 sqft. Most buildings in this area are around 2 floors. Most buildings in this market were built in 1984 and are Class A.