Most listings are in the $10's per square foot per year. The Wheeling submarket is seeing a decline in rates. In the last 3 months, the median rate decreased $5 per sqft per year. That's a 22% decrease in rent.
Compared to the rest of the Chicagoland market, the Wheeling region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 4 listings have been posted online, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. 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 1,970 sqft. Most buildings in this market are close to 1 stories. Most buildings in this region were built in 1982 and are Class B.