On average, listings lease in the $10's per square foot per year. The Flat Rock region is seeing a an increase in rates. In the last 3 months, the median rate rose $15 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 2 listings have been made available, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,500 sqft. Most buildings in this market are close to 2 stories. Most buildings in this region were built in 2003 and are Class A.