On average, listings lease in the $20's per square foot per year. The Milwaukee region is going through a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% increase in rent.
Compared to the rest of the Milwaukee market, the Milwaukee region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 155 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the office spaces in the Milwaukee are subleases, so you will probably have to consider a longer term lease. 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 4,700 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this market were built in 1955 and are Class B.