The typical asking rate per listing is in the $20's per square foot per year. The Falls Church region is seeing a an increase in rates. In the last 3 months, the median rate went up $26 per sqft per year.
Compared to the rest of the Washington D.C. market, the Falls Church region has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 1 listings have come on the market, which means office spaces might be going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 510 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 1981 and are Class B.