On average, listings lease in the $20's per square foot per year. The New Hampshire submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $22 per sqft per year.
In the last 90 days, 1552 listings have been listed, so you'll want to check back regularly for new listings. About 32% of the available space 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,520 sqft. Most properties in this market are approximately 2 floors. Most buildings in this market were built in 1957 and are Class Class B.