The typical asking rate per listing is in the $10's per square foot per year. The Moline region is going through a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 8% increase in rent.
In the last 90 days, 36 listings have been made available, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 3% of the office spaces in the Moline are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,500 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this region were built in 1972 and are Class A.