The typical asking rate per listing is in the $10's per square foot per year. The Damascus region is seeing a an increase in rates. In the last 3 months, the median rate increased $18 per sqft per year.
Compared to the rest of the Washington D.C. market, the Damascus submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 3 listings have been made available, which means 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 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 1,500 sqft. Most buildings in this area were built in 1980 and are Class A.