The typical asking rate per listing is in the $10's per square foot per year. The East Peoria region is seeing a a rise in rates. In the last 3 months, the median rate increased $4 per sqft per year. That's a 25% increase in rent.
In the last 90 days, 15 listings have come on the market, 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,050 sqft. Most buildings in this market are around 1 stories. Most buildings in this area were built in 1978 and are Class B.