The typical asking rate per listing is in the $10's per square foot per year. The Murray region is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 7% decline in rent.
In the last 90 days, 81 listings have been made available, so you'll want to check back regularly for new listings. About 4% of the available space in the Murray are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,990 sqft. Most properties in this region are close to 3 stories. Most buildings in this area were built in 1989 and are Class B.