Most listings are in the $20's per square foot per year. The Arlington Heights submarket is going through a a rise in rates. In the last 3 months, the median rate rose $8 per sqft per year. That's a 36% increase in rent.
Compared to the rest of the Chicagoland market, the Arlington Heights submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 55 listings have come on the market, so you'll want to check back regularly for new listings. 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 1,540 sqft. Most buildings in this region are close to 1 stories. Most buildings in this market were built in 1985 and are Class A.