The typical asking rate per listing is in the $50's per square foot per year. The Ames region is seeing a a boost in rates. In the last 3 months, the median rate rose $34 per sqft per year. That's a 209% increase in rent.
In the last 90 days, 13 listings have come on the market, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. About 15% of the office spaces in the Ames are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 350 sqft. Most properties in this market are approximately 1 floors. Most buildings in this area were built in 2001 and are Class B.