Most listings are in the $30's per square foot per year. The Center City East region is going through a a boost in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 9% increase in rent.
Compared to the rest of the Philadelphia market, the Center City East region has greater rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 16 listings have been listed, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 5,060 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are close to 5 floors. Most buildings in this market were built in 1924 and are Class A.