The typical asking rate per listing is in the $20's per square foot per year. The Gaston County region is seeing a a rise in rates. In the last 3 months, the median rate increased $6 per sqft per year. That's a 27% increase in rent.
In the last 90 days, 15 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. 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 2,400 sqft. Most properties in this area are approximately 1 floors. Most buildings in this area were built in 1978 and are Class B.