The typical asking rate per listing is in the $30's per square foot per year. The Middlesex County submarket is going through a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 4% rise in rent.
In the last 90 days, 128 listings have been made available, so you'll want to check back regularly for new listings. About 9% of the office spaces 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 posted, so finding a space for a small business might be tough.
Even though the median size is 4,770 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are around 2 stories. Most buildings in this market were built in 1984 and are Class A.