The typical asking rate per listing is in the $20's per square foot per year. The North Philadelphia region is going through a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 2% decrease in rent.
Compared to the rest of the Philadelphia market, the North Philadelphia region has smaller rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 29 listings have been made available, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. 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 11,000 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are approximately 4 stories. Most buildings in this area were built in 1938 and are Class B.