The typical asking rate per listing is in the $10's per square foot per year. The Troy region is seeing a an increase in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 17% increase in rent.
In the last 90 days, 19 listings have been made available, which means office spaces are probably going fast. 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.
Even though the median size is 4,920 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this area were built in 1897 and are Class B.