Most listings are in the $20's per square foot per year. The Metro Vancouver submarket is going through a an increase in rates. In the last 3 months, the median rate increased $21 per sqft per year.
In the last 90 days, 17 listings have come on the market, which means leases are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 29% of the available leases in the Metro Vancouver are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,500 sqft. Most buildings in this market are close to 2 floors. Most buildings in this region were built in 1984 and are Class A.