Most listings are in the $20's per square foot per year. The Hillsboro region is seeing a a boost in rates. In the last 3 months, the median rate increased $22 per sqft per year.
Compared to the rest of the Greater Portland market, the Hillsboro region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 30 listings have been made available, which means new availabilities might be going fast. You'll want to be prepared to make an offer immediately. About 40% of the available leases in the Hillsboro are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 6,550 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are close to 2 stories. Most buildings in this market were built in 1999 and are Class A.