The typical asking rate per listing is in the $10's per square foot per year. The Middlesex County region is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 7% decline in rent.
In the last 90 days, 25 listings have come on the market, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 4% of the available leases in the Middlesex County are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 4,000 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this region were built in 1970 and are Class A.