Most listings are in the $20's per square foot per year. The Ashburn submarket is seeing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 5% decline in rent.
Compared to the rest of the Washington D.C. market, the Ashburn submarket has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 8 listings have been made available, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,670 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are around 2 floors. Most buildings in this region were built in 2002 and are Class A.