On average, listings lease in the $20's per square foot per year. The Middlesex County region is going through a decline in rates. In the last 3 months, the median rate decreased $11 per sqft per year. That's a 35% decline in rent.
In the last 90 days, 56 listings have been made available, so you'll want to check back regularly for new listings. About 2% of the listings in the Middlesex County are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most buildings in this market are close to 2 floors. Most buildings in this region were built in 1970 and are Class A.