The typical asking rate per listing is in the $20's per square foot per year. The Oregon region is going through a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 5% decline in rent.
In the last 90 days, 729 listings have been posted online, so you'll want to check back regularly for new listings. About 3% of the office spaces in the Oregon are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,650 sqft. Most properties in this region are close to 2 floors. Most buildings in this market were built in 1985 and are Class A.