Most listings are in the $10's per square foot per year. The Olmsted County region is going through a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 17% decline in rent.
In the last 90 days, 24 listings have come on the market, which means office spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 4% of the available space in the Olmsted County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,050 sqft. Most properties in this region are approximately 2 floors. Most buildings in this region were built in 1988 and are Class B.