The typical asking rate per listing is in the $20's per square foot per year. The Campbell County region is going through a a rise in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 29% rise in rent.
In the last 90 days, 17 listings have come on the market, which means new availabilities most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 6% of the available space in the Campbell County are subleases, so you will probably have to consider a longer term 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 2,390 sqft. Most buildings in this region are close to 2 floors. Most buildings in this region were built in 1989 and are Class C.