Most listings are in the $30's per square foot per year. The Merrifield submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $6 per sqft per year. That's a 15% decline in rent.
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 listed, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 8% of the available space in the Merrifield are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 18,130 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are close to 4 stories. Most buildings in this region were built in 1986 and are Class A.