Most listings are in the $10's per square foot per year. The Barrington region is experiencing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 7% decline in rent.
Compared to the rest of the Chicagoland market, the Barrington submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 33 listings have come on the market, which means leases might be 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 2,110 sqft. Most properties in this market are close to 2 stories. Most buildings in this region were built in 1984 and are Class B.