On average, listings lease in the $20's per square foot per year. The Vancouver region is going through a decline in rates. In the last 3 months, the median rate decreased $5 per sqft per year. That's a 17% decrease 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 depreciated region.
In the last 90 days, 90 listings have come on the market, so you'll want to check back regularly for new listings. About 3% of the listings 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 2,610 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this region are around 2 floors. Most buildings in this region were built in 1992 and are Class A.