In the last 90 days, 0 listings have been listed, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About NaN% of the available leases in the Wolf Trap 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.
The standard measurement for office space in this area is around sqft. Most properties in this area are close to 11 stories. Most buildings in this region were built in 1984 and are Class A.