On average, listings lease in the $30'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 rose $5 per sqft per year. That's a 20% increase in rent.
Compared to the rest of the Washington D.C. market, the Falls Church region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 1 listings have been listed, which means new listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 700% of the listings in the Falls Church are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 860 sqft. Most buildings in this market are close to 2 floors. Most buildings in this region were built in 1980 and are Class B.