Most listings are in the $10's per square foot per year. The Pewaukee submarket is going through a an increase in rates. In the last 3 months, the median rate went up $20 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 3 listings have been listed, which means 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 available, so finding a space for a small business might be tough.
Even though the median size is 2,950 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are close to 2 stories. Most buildings in this market were built in 1998 and are Class B.