Most listings are in the $20's per square foot per year. The Des Moines region is experiencing a decline in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 12% decrease in rent.
In the last 90 days, 25 listings have been listed, which means office 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 available, so finding a space for a small business might be tough.
Even though the median size is 2,540 sqft, there are still 0 leases below 2,000 sqft. Most properties in this region are close to 2 stories. Most buildings in this region were built in 1980 and are Class B.