The typical asking rate per listing is in the $120's per square foot per year. The Dubuque County region is going through a a boost in rates. In the last 3 months, the median rate went up $107 per sqft per year. That's a 540% rise in rent.
In the last 90 days, 28 listings have been made available, which means office spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 8,840 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this region were built in 1972 and are Class A.