Most listings are in the $20's per square foot per year. The Oregon submarket is seeing a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 4% decline in rent.
In the last 90 days, 772 listings have come on the market, so you'll want to check back regularly for new listings. About 3% of the available space in the Oregon 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,680 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this region were built in 1985 and are Class A.