Most listings are in the $10's per square foot per year. The Minnetonka region is experiencing a a boost in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 11% increase in rent.
In the last 90 days, 38 listings have been made available, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 8% of the available leases in the Minnetonka 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 7,200 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this market are around 2 stories. Most buildings in this market were built in 1984 and are Class B.