Most listings are in the $10's per square foot per year. The Kennewick submarket is going through a decline in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 12% decline in rent.
In the last 90 days, 11 listings have been listed, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 409% of the available leases in the Kennewick 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.
The standard measurement for office space in this area is around 1,610 sqft. Most buildings in this area are close to 2 floors. Most buildings in this area were built in 1998 and are Class B.