On average, listings lease in the $30's per square foot per year. The West Chester submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $32 per sqft per year.
In the last 90 days, 7 listings have been posted online, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 114% of the office spaces in the West Chester are subleases, so you might be able to find a shorter term or below market rent. 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 3,000 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this region are around 3 stories. Most buildings in this market were built in 1930 and are Class A.