Most listings are in the $20's per square foot per year. The Blue Bell region is going through a an increase in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 12% rise in rent.
In the last 90 days, 11 listings have come on the market, which means spaces are probably 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 4,020 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this market are around 3 floors. Most buildings in this area were built in 1984 and are Class B.