On average, listings lease in the $10's per square foot per year. The Corning region is going through a a rise in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 15% rise in rent.
In the last 90 days, 3 listings have been posted online, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 3,370 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this area were built in 1910 and are Class B.