The typical asking rate per listing is in the $0's per square foot per year. The Alton region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $16 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 56 listings have been posted online, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most properties in this market are approximately 2 floors. Most buildings in this area were built in 1963 and are Class B.