Most listings are in the $20's per square foot per year. The Iowa City submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $20 per sqft per year.
In the last 90 days, 7 listings have been posted online, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,210 sqft. Most properties in this region are approximately 2 floors. Most buildings in this region were built in 1978 and are Class A.