The typical asking rate per listing is in the $10's per square foot per year. The Rockingham County submarket is going through a an increase in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 2% rise in rent.
In the last 90 days, 93 listings have been posted online, so you'll want to check back regularly for new listings. About 5% of the office spaces in the Rockingham County are subleases, so you will probably have to consider a longer term lease. 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 2,000 sqft. Most buildings in this region are around 2 stories. Most buildings in this area were built in 1931 and are Class Class B.