The typical asking rate per listing is in the $20's per square foot per year. The Portsmouth region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 10% decline 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 region.
In the last 90 days, 15 listings have been listed, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. About 13% of the office spaces in the Portsmouth are subleases, so you might be able to snag a great spot on a short term. 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 1,940 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this market were built in 1900 and are Class Class B.