On average, listings lease in the $10's per square foot per year. The Rolling Meadows submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 17% decline in rent.
Compared to the rest of the Chicagoland market, the Rolling Meadows region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 16 listings have been listed, which means new listings 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 1,250 sqft. Most buildings in this area are around 1 floors. Most buildings in this area were built in 1978 and are Class B.