Most listings are in the $10's per square foot per year. The Kernersville submarket is going through a a boost in rates. In the last 3 months, the median rate increased $20 per sqft per year.
In the last 90 days, 33 listings have come on the market, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 30% of the office spaces in the Kernersville 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,060 sqft. Most properties in this area are approximately 1 stories. Most buildings in this area were built in 1989 and are Class B.