On average, listings lease in the $30's per square foot per year. The Louisville region is experiencing a a rise 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 posted online, which means leases might be going fast. You'll want to be prepared to make an offer immediately. About 50% of the available space in the Louisville are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 5,050 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are close to 2 floors. Most buildings in this region were built in 1999 and are Class A.