Most listings are in the $10's per square foot per year. The River Park submarket is going through a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 15% increase in rent.
In the last 90 days, 13 listings have been listed, which means new listings are probably going fast. 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.
Even though the median size is 5,160 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are close to 2 stories. Most buildings in this market were built in 1984 and are Class B.