On average, listings lease in the $30's per square foot per year. The Louisville region is going through a a boost in rates. In the last 3 months, the median rate rose $12 per sqft per year. That's a 58% rise in rent.
In the last 90 days, 22 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 50% of the available space in the Louisville 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 available, so finding a space for a small business might be tough.
Even though the median size is 5,050 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are approximately 2 stories. Most buildings in this market were built in 1999 and are Class A.