On average, listings lease in the $20's per square foot per year. The Philadelphia Metropolitan Area submarket is going through a a rise in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 0% rise in rent.
In the last 90 days, 1426 listings have been listed, so you'll want to check back regularly for new listings. About 2% of the available space in the Philadelphia Metropolitan Area are subleases, so you will probably have to focus your search on direct office leases. 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 3,330 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this region were built in 1983 and are Class A.