On average, listings lease in the $20's per square foot per year. The Kenai submarket is going through a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 4% increase in rent.
In the last 90 days, 2 listings have been listed, which means spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 150% of the office spaces in the Kenai 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 posted, so finding a space for a small business might be tough.
Even though the median size is 4,380 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area were built in 1993 and are Class A.