The typical asking rate per listing is in the $20's per square foot per year. The Middlesex County submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 8% increase in rent.
In the last 90 days, 27 listings have come on the market, 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.
The standard measurement for office space in this area is around 2,170 sqft. Most properties in this market are around 2 floors. Most buildings in this region were built in 1970 and are Class A.