Most listings are in the $20'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 $7 per sqft per year. That's a 37% rise in rent.
In the last 90 days, 5 listings have been made available, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 20% of the available space in the Pewaukee are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 7,300 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this market are around 2 floors. Most buildings in this region were built in 1999 and are Class A.