In the last 90 days, 58 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the available space in the Loudoun 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,490 sqft. Most properties in this market are around 1 floors. Most buildings in this area were built in 2000 and are Class A.