On average, listings lease in the $10's per square foot per year. The Brunswick County submarket is going through a a rise in rates. In the last 3 months, the median rate went up $18 per sqft per year.
In the last 90 days, 15 listings have been listed, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 180% of the listings in the Brunswick County 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,960 sqft. Most buildings in this region are around 1 stories. Most buildings in this market were built in 1999 and are Class B.