On average, listings lease in the $10's per square foot per year. The Center City submarket is seeing a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 17% decrease in rent.
In the last 90 days, 78 listings have been listed, so you'll want to check back regularly for new listings. About 5% of the available leases in the Center City 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,420 sqft. Most buildings in this region are close to 3 stories. Most buildings in this area were built in 1947 and are Class C.
Professional services is the dominant industry in this market. Most of the folk of Center City work from home. Commuting under 5 minutes a day is the norm for those who opt to reside in this part of town.