On average, listings lease in the $20's per square foot per year. The Paoli submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $4 per sqft per year. That's a 20% rise in rent.
In the last 90 days, 8 listings have been posted online, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,180 sqft. Most properties in this market are close to 3 stories. Most buildings in this market were built in 1957 and are Class B.