Most listings are in the $30's per square foot per year. The University of Virginia region is going through a an increase in rates. In the last 3 months, the median rate rose $4 per sqft per year. That's a 15% rise in rent.
In the last 90 days, 2 listings have come on the market, which means leases most likley are 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 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 2,270 sqft. Most buildings in this market are close to 2 stories.