The typical asking rate per listing is in the $30's per square foot per year. The Portsmouth submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 10% increase in rent.
Compared to the rest of the Greater Boston market, the Portsmouth submarket has greater rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 67 listings have come on the market, so you'll want to check back regularly for new listings. 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 1,520 sqft. Most properties in this region are close to 2 stories. Most buildings in this area were built in 1920 and are Class A.