The typical asking rate per listing is in the $20's per square foot per year. The Middleton region is going through a a rise in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 14% increase in rent.
In the last 90 days, 17 listings have been listed, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. About 18% of the available space in the Middleton 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 available, so finding a space for a small business might be tough.
Even though the median size is 8,390 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are approximately 2 stories. Most buildings in this region were built in 1995 and are Class A.