Most listings are in the $20's per square foot per year. The Dane County region is going through a an increase in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 3% rise in rent.
In the last 90 days, 152 listings have been made available, so you'll want to check back regularly for new listings. About 111% of the available space in the Dane County are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,100 sqft. Most properties in this market are close to 2 stories. Most buildings in this area were built in 1991 and are Class B.