The typical asking rate per listing is in the $10's per square foot per year. The St. Croix County submarket is going through a a rise in rates. In the last 3 months, the median rate went up $16 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 9 listings have come on the market, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. 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 1,790 sqft. Most properties in this area are close to 2 stories. Most buildings in this area were built in 1986 and are Class B.