Most listings are in the $20's per square foot per year. The Chapel Hill region is going through a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 6% decrease in rent.
Compared to the rest of the The Triangle market, the Chapel Hill region has higher rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 12 listings have been listed, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 2,030 sqft. Most buildings in this area are close to 3 floors. Most buildings in this area were built in 2001 and are Class A.