The typical asking rate per listing is in the $10's per square foot per year. The Rochester submarket is going through a decrease in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 17% decline in rent.
In the last 90 days, 23 listings have been listed, which means spaces might be leasing quickly. You'll want to be prepared to make an offer immediately. About 4% of the listings in the Rochester are subleases, so you will probably have to consider a longer term lease. 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 1,050 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 1988 and are Class B.