Most listings are in the $10's per square foot per year. The Wisconsin region is seeing a an increase in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 0% increase in rent.
In the last 90 days, 834 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the listings in the Wisconsin are subleases, so you will probably have to focus your search on direct office leases. 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 2,300 sqft. Most buildings in this area are close to 2 stories. Most buildings in this area were built in 1982 and are Class B.