The typical asking rate per listing is in the $10's per square foot per year. The West Des Moines region is going through a a boost in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 2% increase in rent.
In the last 90 days, 121 listings have been listed, so you'll want to check back regularly for new listings. About 2% of the listings in the West Des Moines are subleases, so you will probably have to consider a longer term lease. 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 3,090 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are approximately 2 stories. Most buildings in this area were built in 1988 and are Class A.