Most listings are in the $20's per square foot per year. The Wake Forest submarket is going through a an increase in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 12% increase in rent.
Compared to the rest of the The Triangle market, the Wake Forest region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 20 listings have come on the market, which means leases might be leasing quickly. You'll want to be prepared to make an offer immediately. About 10% of the office spaces in the Wake Forest 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 990 sqft. Most properties in this area are close to 1 stories. Most buildings in this market were built in 2007 and are Class B.