Most listings are in the $10's per square foot per year. The Gresham region is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 3% decline in rent.
Compared to the rest of the Greater Portland market, the Gresham region has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 8 listings have been listed, which means new listings might be 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most properties in this market are close to 2 floors. Most buildings in this market were built in 1998 and are Class B.