On average, listings lease in the $20's per square foot per year. The Kenai Peninsula Borough submarket is going through a an increase in rates. In the last 3 months, the median rate rose $28 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 15 listings have come on the market, which means listings 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 3,500 sqft, there are still 0 spaces below 2,000 sqft.