On average, listings lease in the $20's per square foot per year. The Vancouver region is going through a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 2% rise in rent.
Compared to the rest of the Greater Portland market, the Vancouver submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 49 listings have been posted online, so you'll want to check back regularly for new listings. About 2% of the available leases in the 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 available, so finding a space for a small business might be tough.
Even though the median size is 2,730 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are around 2 stories. Most buildings in this area were built in 1992 and are Class A.