On average, listings lease in the $20's per square foot per year. The Chester County submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 5% rise in rent.
In the last 90 days, 108 listings have been made available, so you'll want to check back regularly for new listings. About 2% of the listings in the Chester County are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,720 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this market were built in 1986 and are Class B.