Most listings are in the $70's per square foot per year. The Portsmouth submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $57 per sqft per year. That's a 264% increase in rent.
In the last 90 days, 16 listings have been listed, which means office spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 7,390 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are around 2 floors. Most buildings in this market were built in 1978 and are Class C.