On average, listings lease in the $50's per square foot per year. The Arlington County region is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 2% decrease in rent.
In the last 90 days, 92 listings have come on the market, so you'll want to check back regularly for new listings. About 15% of the available leases in the Arlington County are subleases, so you might be able to snag a great spot on a short term. 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 4,140 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are close to 11 stories. Most buildings in this area were built in 1986 and are Class A.