On average, listings lease in the $20's per square foot per year. The Franklin Park region is seeing a a rise in rates. In the last 3 months, the median rate increased $27 per sqft per year.
In the last 90 days, 1 listings have been listed, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 200% of the office spaces in the Franklin Park 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 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 1,550 sqft. Most buildings in this market were built in 1999 and are Class A.