Most listings are in the $30's per square foot per year. The Center City region is going through a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 2% rise in rent.
Compared to the rest of the Philadelphia market, the Center City region has more expensive rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 140 listings have come on the market, so you'll want to check back regularly for new listings. About 4% of the listings in the Center City 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 4,770 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are close to 20 floors. Most buildings in this area were built in 1930 and are Class A.