Most listings are in the $120's per square foot per year. The Dubuque County submarket is going through a an increase in rates. In the last 3 months, the median rate increased $127 per sqft per year.
In the last 90 days, 28 listings have been posted online, which means listings might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 11% of the available leases in the Dubuque County 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 8,840 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are around 2 floors. Most buildings in this area were built in 1970 and are Class A.