Most listings are in the $0's per square foot per year. The Tualatin region is going through a decline in rates. In the last 3 months, the median rate fell $32 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 4 listings have been posted online, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 13,510 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area were built in 2002 and are Class A.