On average, listings lease in the $0's per square foot per year. The Arlington Heights region is going through a decrease in rates. In the last 3 months, the median rate decreased $21 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 0 listings have come on the market, which means listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About NaN% of the listings in the Arlington Heights are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most buildings in this market are approximately 2 stories. Most buildings in this area were built in 1925 and are Class B.