Most listings are in the $20's per square foot per year. The Washington region is seeing a an increase in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 1% rise in rent.
In the last 90 days, 1057 listings have been made available, so you'll want to check back regularly for new listings. About 6% of the available space in the Washington are subleases, so you will probably have to consider a longer term lease. 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 2,940 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are around 2 floors. Most buildings in this region were built in 1984 and are Class A.