Most listings are in the $10's per square foot per year. The Troy region is going through a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 8% rise in rent.
In the last 90 days, 12 listings have been made available, which means spaces most likley are 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 7,730 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are approximately 2 floors. Most buildings in this market were built in 1916 and are Class B.