Most listings are in the $30's per square foot per year. The McLean region is seeing a decrease in rates. In the last 3 months, the median rate fell $6 per sqft per year. That's a 15% decrease in rent.
Compared to the rest of the Washington D.C. market, the McLean submarket has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 12 listings have come on the market, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. 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 1,200 sqft. Most properties in this market are close to 5 stories. Most buildings in this region were built in 1980 and are Class A.