The typical asking rate per listing is in the $10's per square foot per year. The Rochester submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $16 per sqft per year.
Compared to the rest of the Greater Boston market, the Rochester region has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 47 listings have come on the market, so you'll want to check back regularly for new listings. About 19% of the listings in the Rochester 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,200 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 1927 and are Class Class B.