On average, listings lease in the $30's per square foot per year. The Philadelphia County region is experiencing a a boost in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 9% rise in rent.
In the last 90 days, 258 listings have been listed, so you'll want to check back regularly for new listings. About 5% of the available leases in the Philadelphia County are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 5,370 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this market are close to 6 stories. Most buildings in this market were built in 1948 and are Class A.