The typical asking rate per listing is in the $20's per square foot per year. The Madison submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $21 per sqft per year.
In the last 90 days, 1 listings have been posted online, which means spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 100% of the available space in the Madison are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 36,000 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are around 1 stories. Most buildings in this area were built in 0 and are Class Class A.