On average, listings lease in the $30's per square foot per year. The Merrifield region is going through a an increase in rates. In the last 3 months, the median rate increased $31 per sqft per year.
Compared to the rest of the Washington D.C. market, the Merrifield submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 12 listings have been made available, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 58% of the available leases in the Merrifield are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 2,630 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are approximately 4 stories. Most buildings in this area were built in 1985 and are Class A.