The typical asking rate per listing is in the $30's per square foot per year. The Washington D.C. region is experiencing a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 2% decrease in rent.
In the last 90 days, 1930 listings have been posted online, so you'll want to check back regularly for new listings. About 3% of the available leases in the Washington D.C. are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 3,327 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are around 4 stories. Most buildings in this region were built in 1986 and are Class A.