Compared to the rest of the Washington D.C. market, the Southern Gateway submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 1 listings have come on the market, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 100% of the available space in the Southern Gateway 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,010 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 2005 and are Class A.