The typical asking rate per listing is in the $20's per square foot per year. The Madison region is seeing a a rise in rates. In the last 3 months, the median rate increased $5 per sqft per year. That's a 33% increase in rent.
In the last 90 days, 11 listings have been listed, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 91% of the available leases in the Madison 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,670 sqft. Most properties in this market are around 1 stories. Most buildings in this market were built in 2005 and are Class B.