The typical asking rate per listing is in the $10's per square foot per year. The Palatine submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $17 per sqft per year.
Compared to the rest of the Chicagoland market, the Palatine region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 3 listings have come on the market, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 133% of the available leases in the Palatine are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 6,550 sqft, there are still 0 listings below 2,000 sqft. Most properties in this market are around 3 stories. Most buildings in this area were built in 1975 and are Class B.