On average, listings lease in the $30's per square foot per year. The Tompkins County submarket is going through a a boost in rates. In the last 3 months, the median rate went up $38 per sqft per year.
In the last 90 days, 4 listings have been posted online, which means leases might be leasing quickly. You'll want to be prepared to make an offer immediately. About 175% of the listings in the Tompkins County are subleases, so you might be able to find a shorter term or below market rent. 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 1,600 sqft. Most buildings in this area are approximately 12 floors. Most buildings in this area were built in 1978 and are Class A.