On average, listings lease in the $120's per square foot per year. The Dubuque region is experiencing 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 come on the market, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 8,840 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this area are close to 2 floors. Most buildings in this market were built in 1970 and are Class A.