The typical asking rate per listing is in the $30's per square foot per year. The Center City region is seeing a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 2% rise in rent.
Compared to the rest of the Philadelphia market, the Center City submarket has more expensive rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 90 listings have been posted online, so you'll want to check back regularly for new listings. About 7% of the available space in the Center City are subleases, so you will probably have to consider a longer term 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.
Even though the median size is 5,410 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are close to 20 stories. Most buildings in this market were built in 1930 and are Class A.