Most listings are in the $20's per square foot per year. The Cornelius region is going through a a boost in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 1% rise in rent.
Compared to the rest of the Metrolina market, the Cornelius submarket has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 9 listings have been posted online, which means new availabilities are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 1,490 sqft. Most properties in this area are close to 2 floors. Most buildings in this market were built in 2000 and are Class A.