The typical asking rate per listing is in the $250's per square foot per year. The Charlottesville submarket is going through a a rise in rates. In the last 3 months, the median rate went up $222 per sqft per year. That's a 717% rise in rent.
In the last 90 days, 6 listings have been made available, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 240 sqft. Most buildings in this market are around 5 stories. Most buildings in this area were built in 1983 and are Class A.