On average, listings lease in the $20's per square foot per year. The Chester County region is going through a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 4% decline in rent.
In the last 90 days, 91 listings have been made available, so you'll want to check back regularly for new listings. About 79% of the available space in the Chester County 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 1,870 sqft. Most buildings in this market are close to 2 floors. Most buildings in this region were built in 1986 and are Class B.