Most listings are in the $10's per square foot per year. The Shelby submarket is going through a an increase in rates. In the last 3 months, the median rate went up $17 per sqft per year.
Compared to the rest of the Metrolina market, the Shelby region has smaller rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 17 listings have been posted online, which means new availabilities 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,690 sqft. Most buildings in this region are close to 2 floors. Most buildings in this area were built in 1965 and are Class C.