Compared to the rest of the Chicagoland market, the Mundelein submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 13 listings have been listed, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. 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 1,250 sqft. Most buildings in this area are close to 2 floors. Most buildings in this area were built in 1993 and are Class B.