The typical asking rate per listing is in the $10's per square foot per year. The Des Moines region is going through a a rise in rates. In the last 3 months, the median rate rose $19 per sqft per year.
Compared to the rest of the Seattle Metropolitan Area market, the Des Moines region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 1 listings have come on the market, which means spaces might be leasing quickly. You'll want to be prepared to make an offer immediately. 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 5,400 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this area were built in 1962 and are Class B.