On average, listings lease in the $20's per square foot per year. The Vancouver region is seeing a a boost in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 8% increase in rent.
Compared to the rest of the Greater Portland market, the Vancouver submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 31 listings have been posted online, which means spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 3% of the available leases in the Vancouver are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,830 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are approximately 2 floors. Most buildings in this region were built in 1993 and are Class A.