On average, listings lease in the $10's per square foot per year. The Gastonia submarket is going through a a boost in rates. In the last 3 months, the median rate increased $16 per sqft per year.
Compared to the rest of the Metrolina market, the Gastonia submarket has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 4 listings have been posted online, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 375% of the office spaces in the Gastonia 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 2,340 sqft. Most properties in this market are close to 1 stories. Most buildings in this area were built in 1984 and are Class B.