On average, listings lease in the $10's per square foot per year. The Sun Prairie submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 5 listings have been posted online, which means leases are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 100% of the listings in the Sun Prairie 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 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 1,080 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this market were built in 2003 and are Class B.