On average, listings lease in the $20's per square foot per year. The Concord region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 12% decrease in rent.
Compared to the rest of the Greater Boston market, the Concord region has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 8 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. 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 3,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are close to 2 stories. Most buildings in this region were built in 1910 and are Class Class B.