Compared to the rest of the Washington D.C. market, the Bailey's Crossroads region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 1 listings have been made available, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 300% of the available leases in the Bailey's Crossroads are subleases, so you might be able to find a shorter term or below market rent. 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 1,000 sqft. Most buildings in this market are approximately 11 stories. Most buildings in this area were built in 1982 and are Class B.