On average, listings lease in the $20's per square foot per year. The Germantown submarket is going through a decrease in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 13% decline in rent.
Compared to the rest of the Washington D.C. market, the Germantown region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 12 listings have been posted online, which means new availabilities most likley are going fast. You'll want to be prepared to make an offer immediately. About 8% of the available leases in the Germantown 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 3,270 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are approximately 1 floors. Most buildings in this area were built in 2002 and are Class B.