The typical asking rate per listing is in the $40's per square foot per year. The Merrifield region is going through a a boost in rates. In the last 3 months, the median rate rose $13 per sqft per year. That's a 41% increase in rent.
Compared to the rest of the Washington D.C. market, the Merrifield submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 12 listings have been posted online, which means new availabilities most likley are going fast. You'll want to be prepared to make an offer immediately. About 75% of the available space in the Merrifield 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.
Even though the median size is 2,820 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this area are around 4 floors. Most buildings in this market were built in 1985 and are Class A.