The typical asking rate per listing is in the $20's per square foot per year. The New Hampshire region is seeing a an increase in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 10% rise in rent.
In the last 90 days, 1552 listings have been posted online, so you'll want to check back regularly for new listings. About 0% of the listings in the New Hampshire are subleases, so you will probably have to focus your search on direct office leases. 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 2,200 sqft. Most properties in this region are close to 2 stories. Most buildings in this region were built in 1952 and are Class Class B.