Most listings are in the $20's per square foot per year. The Andover region is seeing a a rise in rates. In the last 3 months, the median rate increased $29 per sqft per year.
In the last 90 days, 13 listings have been made available, which means leases might be going fast. You'll want to be prepared to make an offer immediately. 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 240 sqft. Most buildings in this region are around 1 floors. Most buildings in this area were built in 2002 and are Class A.