On average, listings lease in the $20's per square foot per year. The New Hampshire region is seeing a decrease in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 9% decline in rent.
In the last 90 days, 1552 listings have come on the market, so you'll want to check back regularly for new listings. About 22% of the office spaces in the New Hampshire are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,600 sqft. Most properties in this area are around 2 stories. Most buildings in this region were built in 1957 and are Class Class B.