The typical asking rate per listing is in the $20's per square foot per year. The Pewaukee submarket is going through a a rise in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 37% increase in rent.
In the last 90 days, 6 listings have been made available, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 17% of the office spaces in the Pewaukee are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 3,540 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are close to 2 floors. Most buildings in this region were built in 1999 and are Class A.