On average, listings lease in the $10's per square foot per year. The Framingham submarket is experiencing a decrease in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 11% decline in rent.
Compared to the rest of the Greater Boston market, the Framingham submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 19 listings have been made available, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 1,500 sqft. Most properties in this region are approximately 4 stories. Most buildings in this area were built in 1980 and are Class A.