The typical asking rate per listing is in the $20's per square foot per year. The Kent submarket is experiencing a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 5% increase in rent.
In the last 90 days, 2 listings have been made available, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,950 sqft. Most buildings in this market are approximately 1 stories. Most buildings in this market were built in 1970 and are Class A.