Most listings are in the $40's per square foot per year. The Gantt region is experiencing a an increase in rates. In the last 3 months, the median rate rose $44 per sqft per year.
In the last 90 days, 0 listings have come on the market, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About NaN% of the available leases in the Gantt are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 900 sqft. Most buildings in this region are around 2 floors.