The typical asking rate per listing is in the $10's per square foot per year. The Gresham-Centennial region is going through a a rise in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 12% rise in rent.
Compared to the rest of the Greater Portland market, the Gresham-Centennial region has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 2 listings have been made available, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 720 sqft. Most buildings in this region are close to 2 floors. Most buildings in this region were built in 1999.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Waste services is the dominant industry in this area. Most of the residents of Gresham-Centennial work from home. Commuting approximately 15 minutes a day is the norm for those who opt to reside in this part of town.