Compared to the rest of the Washington D.C. market, the Marlow Heights region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 4 listings have been made available, which means new listings are probably 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 470 sqft. Most properties in this area are approximately 2 stories. Most buildings in this region were built in 1971 and are Class B.