The typical asking rate per listing is in the $30's per square foot per year. The Washington D.C. submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 6% increase in rent.
In the last 90 days, 1195 listings have been listed, so you'll want to check back regularly for new listings. About 80% of the listings in the Washington D.C. 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.
Even though the median size is 3,190 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are around 4 floors. Most buildings in this area were built in 1986 and are Class A.