On average, listings lease in the $20's per square foot per year. The Louisville/Jefferson County metro government (balance) region is experiencing a an increase in rates. In the last 3 months, the median rate rose $21 per sqft per year.
In the last 90 days, 30 listings have been listed, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 140% of the office spaces in the Louisville/Jefferson County metro government (balance) 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,680 sqft. Most properties in this area are approximately 1 stories. Most buildings in this area were built in 1955 and are Class A.