The typical asking rate per listing is in the $10's per square foot per year. The Corning region is seeing a a boost in rates. In the last 3 months, the median rate increased $18 per sqft per year.
In the last 90 days, 3 listings have come on the market, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 133% of the office spaces in the Corning are subleases, so you might be able to snag a great spot on a short term. 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 2,200 sqft. Most buildings in this area are around 2 floors. Most buildings in this region were built in 1910 and are Class B.