Most listings are in the $10's per square foot per year. The Yorkshire submarket is going through a a rise in rates. In the last 3 months, the median rate went up $18 per sqft per year.
Compared to the rest of the Washington D.C. market, the Yorkshire submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 0 listings have been posted online, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About Inf% of the listings in the Yorkshire are subleases, so you might be able to snag a great spot on a short term. 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 2,450 sqft. Most properties in this area are approximately 3 floors. Most buildings in this area were built in 2003 and are Class C.