On average, listings lease in the $20's per square foot per year. The Kennewick region is experiencing a a rise in rates. In the last 3 months, the median rate increased $8 per sqft per year. That's a 50% increase in rent.
In the last 90 days, 18 listings have been made available, which means leases 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 posted, so finding a space for a small business might be tough.
Even though the median size is 2,770 sqft, there are still 0 leases below 2,000 sqft. Most properties in this region are close to 2 stories. Most buildings in this area were built in 2003 and are Class B.