Most listings are in the $10's per square foot per year. The Barrington submarket is experiencing a decline in rates. In the last 3 months, the median rate decreased $7 per sqft per year. That's a 28% decline in rent.
Compared to the rest of the Chicagoland market, the Barrington region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 14 listings have been listed, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 2,110 sqft. Most buildings in this region are approximately 2 floors. Most buildings in this region were built in 1984 and are Class B.