On average, listings lease in the $0's per square foot per year. The Dulles Town Center region is going through a decrease in rates. In the last 3 months, the median rate decreased $24 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 3 listings have been listed, which means office spaces might be 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most buildings in this region are around 1 stories. Most buildings in this market were built in 2001 and are Class A.