Most listings are in the $20's per square foot per year. The Wauwatosa submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 6% rise in rent.
Compared to the rest of the Milwaukee County market, the Wauwatosa region has higher rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 18 listings have been made available, which means office spaces most likley are 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.
Even though the median size is 6,280 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are approximately 3 stories. Most buildings in this area were built in 1976 and are Class B.