The typical asking rate per listing is in the $10's per square foot per year. The Allentown region is experiencing a a boost in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 0% rise in rent.
In the last 90 days, 74 listings have been made available, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,390 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this market were built in 1970 and are Class B.