Most listings are in the $20's per square foot per year. The Deer Park submarket is going through a a rise in rates. In the last 3 months, the median rate rose $22 per sqft per year.
Compared to the rest of the Chicagoland market, the Deer Park region has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 0 listings have been made available, which means new listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About Inf% of the available leases in the Deer Park 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 2,940 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this area were built in 2002 and are Class A.