The typical asking rate per listing is in the $10's per square foot per year. The McHenry submarket is going through a an increase in rates. In the last 3 months, the median rate rose $18 per sqft per year.
Compared to the rest of the Chicagoland market, the McHenry region has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 3 listings have been made available, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 167% of the listings in the McHenry are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,640 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this region were built in 2001 and are Class A.