The typical asking rate per listing is in the $20's per square foot per year. The La Plata region is experiencing a an increase in rates. In the last 3 months, the median rate rose $24 per sqft per year.
Compared to the rest of the Washington D.C. market, the La Plata submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 8 listings have been posted online, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. 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 1,720 sqft. Most properties in this market are approximately 4 floors. Most buildings in this region were built in 2006 and are Class A.