The typical asking rate per listing is in the $10's per square foot per year. The Madison submarket is going through a a boost in rates. In the last 3 months, the median rate rose $19 per sqft per year.
In the last 90 days, 11 listings have been listed, which means new availabilities might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 64% of the office spaces 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.
Even though the median size is 4,210 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are around 1 floors. Most buildings in this area were built in 2005 and are Class B.