The typical asking rate per listing is in the $20's per square foot per year. The Middlesex County submarket is going through a a rise in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 14% increase in rent.
In the last 90 days, 36 listings have come on the market, which means listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 58% of the available leases in the Middlesex County 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,040 sqft. Most properties in this region are close to 2 floors. Most buildings in this market were built in 1968 and are Class A.