The typical asking rate per listing is in the $10's per square foot per year. The Williamsport region is going through a an increase in rates. In the last 3 months, the median rate rose $16 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 3 listings have been posted online, 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,440 sqft. Most properties in this market are around 2 floors. Most buildings in this area were built in 1994 and are Class B.