Most listings are in the $20's per square foot per year. The Redland region is experiencing a a boost in rates. In the last 3 months, the median rate went up $5 per sqft per year. That's a 24% increase in rent.
Compared to the rest of the Washington D.C. market, the Redland submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 2 listings have been listed, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 2,200 sqft. Most properties in this region are approximately 2 floors.