The typical asking rate per listing is 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 went up $18 per sqft per year.
In the last 90 days, 19 listings have been listed, which means listings might be going fast. You'll want to be prepared to make an offer immediately. About 53% of the available space in the Troy are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,920 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are approximately 2 floors. Most buildings in this region were built in 1897 and are Class B.