The typical asking rate per listing is in the $40's per square foot per year. The McLean region is experiencing a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 9% decrease in rent.
Compared to the rest of the Washington D.C. market, the McLean submarket has higher rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 9 listings have been made available, which means spaces are probably 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 960 sqft. Most properties in this region are close to 5 stories. Most buildings in this market were built in 1980 and are Class B.