Compared to the rest of the Washington D.C. market, the Mitchellville region has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 10 listings have been posted online, which means office spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 10% of the listings in the Mitchellville are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 5,390 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are approximately 2 stories. Most buildings in this region were built in 1987 and are Class B.