The typical asking rate per listing is in the $20's per square foot per year. The Vandalia submarket is seeing a an increase in rates. In the last 3 months, the median rate rose $4 per sqft per year. That's a 24% increase in rent.
In the last 90 days, 14 listings have been made available, which means spaces most likley are going fast. 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.
The standard measurement for office space in this area is around 2,270 sqft. Most buildings in this market are close to 1 floors. Most buildings in this area were built in 1980 and are Class B.