On average, listings lease in the $90's per square foot per year. The Barrington submarket is going through a a rise in rates. In the last 3 months, the median rate increased $78 per sqft per year. That's a 454% increase in rent.
Compared to the rest of the Chicagoland market, the Barrington region has more expensive rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 40 listings have come on the market, which means office spaces might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 35% of the available space in the Barrington are subleases, so you might be able to find a shorter term or below market rent. 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 350 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this region were built in 1980 and are Class B.