On average, listings lease in the $30's per square foot per year. The Kingston submarket is experiencing a a boost in rates. In the last 3 months, the median rate rose $34 per sqft per year.
In the last 90 days, 3 listings have been posted online, which means 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,100 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this area were built in 1910 and are Class Class B.