Most listings are in the $20's per square foot per year. The Concord submarket is experiencing a a rise in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 14% rise in rent.
Compared to the rest of the Greater Boston market, the Concord submarket has more expensive rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 116 listings have been listed, so you'll want to check back regularly for new listings. About 1% of the office spaces in the Concord are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,380 sqft. Most buildings in this market are around 2 floors. Most buildings in this market were built in 1920 and are Class Class B.