Most listings are in the $20's per square foot per year. The Shorewood submarket is going through a an increase in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 13% increase in rent.
Compared to the rest of the Milwaukee County market, the Shorewood region has higher rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 1 listings have come on the market, which means office spaces are probably leasing quickly. 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 1,730 sqft.