In the last 90 days, 0 listings have been posted online, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About NaN% of the listings in the Wolf Trap are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most buildings in this region are close to 11 floors. Most buildings in this area were built in 1984 and are Class A.