Most listings are in the $50's per square foot per year. The Ithaca region is going through a a rise in rates. In the last 3 months, the median rate went up $50 per sqft per year.
In the last 90 days, 1 listings have been listed, which means new listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 110 sqft. Most properties in this region are around 12 floors. Most buildings in this area were built in 1945 and are Class A.