Most listings are in the $10's per square foot per year. The Southern Pines submarket is going through a an increase in rates. In the last 3 months, the median rate went up $4 per sqft per year. That's a 25% rise in rent.
In the last 90 days, 13 listings have been listed, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 8% of the available space in the Southern Pines 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 2,130 sqft. Most buildings in this area are approximately 1 floors. Most buildings in this market were built in 1997 and are Class B.