The typical asking rate per listing is in the $30's per square foot per year. The Elgin submarket is going through a an increase in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 8% rise in rent.
Compared to the rest of the Chicagoland market, the Elgin region has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 42 listings have been made available, so you'll want to check back regularly for new listings. About 2% of the listings in the Elgin are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,320 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are around 1 stories. Most buildings in this market were built in 1999 and are Class B.