The typical asking rate per listing is in the $10's per square foot per year. The Minnehaha County region is going through a an increase in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 12% rise in rent.
In the last 90 days, 60 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the office spaces in the Minnehaha County are subleases, so you will probably have to focus your search on direct office leases. 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 1,770 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this area were built in 1988 and are Class B.