In the last 90 days, 522 listings have been made available, so you'll want to check back regularly for new listings. About 3% of the listings in the Fairfax County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 4,444 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this region are around 4 stories. Most buildings in this area were built in 1987 and are Class A.