On average, listings lease in the $280's per square foot per year. The Chatham County submarket is going through a a rise in rates. In the last 3 months, the median rate rose $285 per sqft per year.
Compared to the rest of the The Triangle market, the Chatham County region has more expensive rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 2 listings have been listed, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 50% of the office spaces in the Chatham County are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,350 sqft. Most buildings in this market are around 1 floors. Most buildings in this area were built in 2001 and are Class A.